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#573 |
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"Mark"
Apr 2003
Between here and the
22·7·227 Posts |
Primes found:
Code:
3*604^2+1 4*604^1+1 6*604^4+1 7*604^1+1 9*604^1+1 10*604^3+1 12*604^17370+1 13*604^1+1 15*604^19+1 16*604^124+1 18*604^3+1 19*604^49+1 |
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#574 |
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May 2009
Russia, Moscow
2,593 Posts |
R800, R888 and R900 completed to n=100K.
There is only one prime: 4*800^33837-1 Results attached, bases released. Last fiddled with by unconnected on 2010-06-13 at 07:17 |
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#575 |
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May 2008
Wilmington, DE
54448 Posts |
Sierp 516 the last k (122*516-n-1) tested n=25K-50K. Nothing found
Results attached - Base released Last fiddled with by MyDogBuster on 2014-09-02 at 09:15 |
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#576 |
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"Mark"
Apr 2003
Between here and the
22·7·227 Posts |
Sierpinski base 542 primes found:
Code:
3*542^1+1 4*542^15982+1 5*542^1+1 6*542^1+1 7*542^8+1 8*542^1+1 9*542^51+1 10*542^12+1 11*542^4909+1 12*542^20+1 14*542^1+1 15*542^109+1 16*542^364+1 17*542^3+1 18*542^69+1 19*542^18950+1 20*542^5+1 21*542^1+1 22*542^98+1 23*542^89+1 24*542^1+1 25*542^116+1 26*542^3+1 27*542^334+1 28*542^34+1 29*542^859+1 30*542^156+1 31*542^4+1 Sierpinki base 574 primes found: Code:
3*574^1+1 4*574^1+1 6*574^2+1 7*574^1+1 9*574^1+1 10*574^1+1 12*574^3+1 13*574^6+1 15*574^110+1 18*574^1+1 19*574^3+1 21*574^2+1 22*574^3+1 Riesel base 620 primes found: Code:
2*620^2-1 3*620^2-1 4*620^1773-1 5*620^4-1 6*620^1-1 7*620^1-1 8*620^10-1 9*620^9-1 10*620^1-1 11*620^1434-1 12*620^6-1 13*620^1-1 14*620^2-1 15*620^562-1 16*620^11-1 17*620^2-1 18*620^1-1 19*620^1-1 21*620^39-1 Sierpinski base 620 primes found: Code:
2*620^13+1 3*620^1+1 4*620^18+1 5*620^41+1 6*620^4+1 7*620^6+1 8*620^5+1 9*620^1+1 10*620^138+1 11*620^53+1 14*620^1+1 15*620^3+1 16*620^54+1 17*620^91+1 18*620^1+1 19*620^12+1 20*620^1+1 21*620^3+1 |
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#577 |
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"Mark"
Apr 2003
Between here and the
22×7×227 Posts |
Sierpinski base 636 primes found:
Code:
2*636^2+1 3*636^141+1 5*636^1+1 6*636^3+1 7*636^11+1 8*636^8+1 10*636^1+1 11*636^1+1 12*636^3+1 13*636^1+1 15*636^9850+1 16*636^1+1 17*636^2+1 18*636^5+1 20*636^1+1 21*636^8+1 22*636^2+1 23*636^1+1 25*636^1+1 26*636^4+1 Sierpinski base 643 primes found: Code:
4*643^5+1 10*643^42+1 12*643^1+1 16*643^1+1 18*643^3+1 Sierpinski base 665 primes found: Code:
2*665^45+1 4*665^1334+1 6*665^2+1 8*665^5+1 10*665^6+1 12*665^2+1 14*665^1+1 16*665^4+1 18*665^1+1 20*665^61+1 22*665^28+1 24*665^2+1 26*665^1+1 28*665^6+1 30*665^2+1 32*665^33+1 34*665^4+1 36*665^5749+1 Riesel base 668 primes found: Code:
2*668^486-1 3*668^1-1 4*668^1-1 5*668^330-1 6*668^1-1 7*668^67-1 8*668^4-1 9*668^1-1 10*668^1-1 12*668^59-1 13*668^41-1 Sierpinski base 683 primes found: Code:
2*683^1+1 4*683^2+1 6*683^1+1 8*683^91+1 12*683^5+1 14*683^25+1 16*683^84+1 Riesel base 695 primes found: Code:
2*695^10-1 4*695^149-1 6*695^384-1 8*695^4-1 10*695^1-1 12*695^7-1 14*695^9970-1 16*695^1-1 18*695^2-1 20*695^8-1 22*695^1-1 24*695^2-1 |
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#578 |
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"Mark"
Apr 2003
Between here and the
635610 Posts |
Sierpinski base 702 primes found:
Code:
2*702^3+1 3*702^2+1 4*702^9+1 5*702^1+1 6*702^1228+1 7*702^87+1 8*702^4+1 9*702^2+1 10*702^8+1 11*702^1+1 12*702^12+1 13*702^1+1 14*702^1+1 15*702^1+1 16*702^4+1 17*702^8+1 18*702^1+1 19*702^1+1 20*702^2+1 21*702^21+1 22*702^8+1 23*702^2+1 24*702^2+1 25*702^1+1 26*702^1+1 27*702^2+1 28*702^2+1 29*702^1+1 30*702^1+1 31*702^33+1 32*702^68+1 33*702^1+1 34*702^1+1 35*702^1+1 36*702^3+1 37*702^63+1 38*702^2+1 40*702^1+1 41*702^4+1 42*702^62+1 43*702^1+1 44*702^2+1 45*702^2+1 46*702^8+1 47*702^1422+1 48*702^2+1 49*702^15+1 50*702^13+1 51*702^1+1 52*702^3+1 53*702^25+1 54*702^307+1 55*702^1+1 56*702^1+1 57*702^72+1 58*702^2+1 59*702^17+1 60*702^2+1 61*702^408+1 62*702^1087+1 63*702^4+1 64*702^5+1 65*702^1+1 66*702^5+1 67*702^8+1 68*702^1+1 69*702^5+1 70*702^13+1 71*702^1+1 72*702^388+1 73*702^5+1 74*702^1+1 Sierpinski base 743 primes found: Code:
2*743^1+1 4*743^246+1 8*743^71+1 12*743^2+1 14*743^10449+1 16*743^4+1 18*743^6+1 22*743^12+1 24*743^42+1 26*743^1+1 28*743^2+1 30*743^1+1 Sierpinski base 747 primes found: Code:
2*747^4+1 4*747^2+1 6*747^1+1 8*747^2+1 10*747^13+1 12*747^118+1 14*747^1+1 16*747^1+1 18*747^4+1 20*747^2+1 22*747^3560+1 24*747^1+1 26*747^1+1 28*747^2+1 30*747^2+1 Riesel base 782 primes found: Code:
2*782^4-1 3*782^3-1 4*782^3-1 5*782^2-1 6*782^1-1 7*782^1685-1 8*782^8-1 9*782^3-1 10*782^3-1 11*782^2-1 13*782^11-1 15*782^7-1 16*782^1-1 17*782^4-1 18*782^510-1 19*782^3-1 20*782^16-1 21*782^1-1 22*782^1-1 24*782^3-1 25*782^3-1 26*782^2-1 27*782^4-1 |
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#579 |
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"Mark"
Apr 2003
Between here and the
22×7×227 Posts |
Riesel base 815 primes found:
Code:
2*815^2-1 4*815^1-1 6*815^1-1 10*815^3-1 14*815^470-1 Riesel base 836 primes found: Code:
2*836^330-1 3*836^2-1 4*836^1-1 5*836^56-1 7*836^1-1 9*836^1-1 10*836^21-1 12*836^11-1 13*836^1-1 14*836^2-1 15*836^1-1 17*836^10-1 18*836^214-1 19*836^3-1 20*836^38-1 22*836^5-1 23*836^350-1 24*836^1-1 25*836^1-1 27*836^1-1 28*836^213-1 29*836^2-1 30*836^8-1 Sierpinski base 846 primes found: Code:
2*846^1+1 3*846^1+1 5*846^1+1 6*846^1+1 7*846^1+1 8*846^2+1 10*846^1+1 11*846^88+1 13*846^3+1 15*846^408+1 16*846^1+1 17*846^5+1 18*846^13+1 20*846^1+1 21*846^13+1 22*846^8+1 23*846^6+1 26*846^1+1 27*846^3371+1 28*846^1+1 30*846^2+1 31*846^1+1 32*846^1+1 33*846^1+1 35*846^1+1 36*846^2+1 37*846^3+1 40*846^2+1 41*846^1+1 42*846^1+1 Sierpinski base 879 primes found: Code:
2*879^1+1 4*879^1+1 6*879^2+1 8*879^4+1 12*879^2+1 14*879^167+1 16*879^2+1 18*879^1+1 20*879^1+1 22*879^6+1 24*879^1183+1 26*879^24+1 28*879^4+1 30*879^1+1 32*879^4617+1 |
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#580 |
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"Mark"
Apr 2003
Between here and the
22×7×227 Posts |
Sierspinki base 893 primes found:
Code:
2*893^1+1 4*893^10+1 6*893^7+1 10*893^12+1 12*893^8+1 14*893^1+1 16*893^20+1 18*893^2+1 22*893^2+1 24*893^1+1 26*893^519+1 28*893^2+1 30*893^7+1 Sierpinski base 898 primes found: Code:
3*898^6+1 4*898^1+1 6*898^29+1 7*898^1+1 9*898^15+1 10*898^2+1 13*898^35+1 15*898^3+1 16*898^1+1 18*898^2+1 19*898^165+1 21*898^1+1 24*898^30+1 27*898^1+1 Sierpinski base 919 primes found: Code:
4*919^1+1 6*919^5092+1 10*919^8+1 18*919^386+1 22*919^1+1 Sierpinski base 924 primes found: Code:
2*924^4+1 3*924^3+1 4*924^1+1 5*924^1+1 6*924^10+1 7*924^1+1 8*924^1+1 9*924^1+1 10*924^1+1 11*924^2+1 13*924^9+1 14*924^8031+1 15*924^2+1 16*924^386+1 17*924^2+1 18*924^1+1 19*924^19+1 20*924^1+1 21*924^10+1 22*924^4+1 23*924^43+1 24*924^49+1 26*924^14+1 27*924^5+1 28*924^1+1 29*924^15+1 30*924^4+1 31*924^4+1 32*924^1+1 33*924^1+1 34*924^7+1 35*924^1+1 Sierpinski base 930 primes found: Code:
2*930^1+1 3*930^1+1 4*930^2+1 5*930^1+1 6*930^1+1 7*930^217+1 9*930^24+1 10*930^2+1 11*930^7+1 12*930^1+1 13*930^207+1 14*930^7+1 15*930^12+1 16*930^3+1 17*930^2+1 18*930^1+1 19*930^3+1 Sierpinski base 993 primes found: Code:
2*993^1+1 4*993^39+1 10*993^1+1 12*993^2+1 14*993^1+1 16*993^1+1 18*993^3+1 20*993^1+1 22*993^8+1 24*993^1+1 26*993^1+1 28*993^104+1 32*993^13+1 If I've kept track of my reservations correctly, I only have S887, S948, and S998 remaining for these small conjectures. |
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#581 |
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Jun 2008
Wollongong, .au
2678 Posts |
Nice work rogue! I'm in awe at the work that you're putting in. You're putting my efforts with R603 (currently at ~19K) and S928 (at 12.8K) to shame!
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#582 | |
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May 2008
Wilmington, DE
22·23·31 Posts |
Quote:
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#583 |
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May 2007
Kansas; USA
1041410 Posts |
S647 is complete to n=25K; 2 primes found for n=5K-25K; 4 k's remaining; largest prime 58*647^22212+1; base released.
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