Bases 251-500 reservations/statuses/primes - Page 70

henryzz · 2011-05-04, 16:25

Riesel Base 360 complete upto 10k with 92ks remaining at 2.5k and 62ks at 10k. Continuing to 25k.

MyDogBuster · 2011-05-06, 16:37

Reserving R485 as new to n=25K

gd_barnes · 2011-05-08, 05:21

Matthew has reported completion of S492 to n=100K. No primes found for n=50K-100K. The base is released.

MyDogBuster · 2011-05-10, 14:20

S263 tested n=100K-200K - Nothing found

Results emailed - Base released

MyDogBuster · 2011-05-13, 16:00

S428 tested n=100K-200K - Nothing found

MyDogBuster · 2011-05-13, 16:26

Sierp Base 498
Conjectured k = 7983
Covering Set = 5, 257, 499
Trivial Factors k == 6 mod 7(7) and k == 70 mod 71(71)

Found Primes: 6662k's - File emailed

Remaining: 73k's - Tested to n=25K - File emailed

Trivial Factor Eliminations: 1236k's

MOB Eliminations: 9k's - File emailed

GFN: 1k - File emailed
498

Base Released

Puzzle-Peter · 2011-05-16, 14:24

R290 is proven:

19*290^51591-1
64*290^96385-1
71*290^49360-1
81*290^45303-1

rogue · 2011-05-16, 14:42

Quote:

Originally Posted by Puzzle-Peter

R290 is proven:

19*290^51591-1
64*290^96385-1
71*290^49360-1
81*290^45303-1

Wow! That seems incredibly lucky.

gd_barnes · 2011-05-16, 18:20

Quote:

Originally Posted by Puzzle-Peter

R290 is proven:

19*290^51591-1
64*290^96385-1
71*290^49360-1
81*290^45303-1

An amazing run to the proof. Congrats!

Puzzle-Peter · 2011-05-16, 18:27

Quote:

Originally Posted by gd_barnes

An amazing run to the proof. Congrats!

Thanks! Which base will fall next?

gd_barnes · 2011-05-16, 19:01

Quote:

Originally Posted by Puzzle-Peter

Thanks! Which base will fall next?

S290 is waiting for you, also with 4 k's remaining at n=25K for a CK of 98.

Other good bases would be any with 3 or 4 k's remaining at n=25K or 50K.

2011-05-06, 16:37	#761
MyDogBuster May 2008 Wilmington, DE 2²×23×31 Posts	R485 Reserving R485 as new to n=25K

2011-05-10, 14:20	#763
MyDogBuster May 2008 Wilmington, DE 2852₁₀ Posts	S263 S263 tested n=100K-200K - Nothing found Results emailed - Base released

2011-05-13, 16:00	#764
MyDogBuster May 2008 Wilmington, DE 2²×23×31 Posts	S428 S428 tested n=100K-200K - Nothing found

2011-05-13, 16:26	#765
MyDogBuster May 2008 Wilmington, DE 2²·23·31 Posts	S498 Sierp Base 498 Conjectured k = 7983 Covering Set = 5, 257, 499 Trivial Factors k == 6 mod 7(7) and k == 70 mod 71(71) Found Primes: 6662k's - File emailed Remaining: 73k's - Tested to n=25K - File emailed Trivial Factor Eliminations: 1236k's MOB Eliminations: 9k's - File emailed GFN: 1k - File emailed 498 Base Released

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2011-05-04, 16:25	#760
henryzz Just call me Henry "David" Sep 2007 Cambridge (GMT/BST) 7×29² Posts	Riesel Base 360 complete upto 10k with 92ks remaining at 2.5k and 62ks at 10k. Continuing to 25k.

2011-05-08, 05:21	#762
gd_barnes May 2007 Kansas; USA 2×41×127 Posts	Matthew has reported completion of S492 to n=100K. No primes found for n=50K-100K. The base is released.