Share N+/-1 Primality Proofs - Page 34

axn · 2018-06-19, 10:18

Quote:

Originally Posted by henryzz

(100^1167-1)*190/99+1 could do with some love.

Needs about 73 digits of factors from N-1 or 218 digits from N+1 (or some combination thereof). Bit unlikely.

DukeBG · 2018-06-19, 15:44

ran some quick pm1/ecm, added 26 digits "worth" to n+1, meh

wblipp · 2018-06-22, 23:16

http://factordb.com/index.php?id=1100000000191323140

P-1 requires factors from 10^4116-1. I was delighted to discover that factordb knew factors of 10^2059-1 and 10^2059+1 that were not known for 10^4116-1. Unfortunately, adding those is still shy of the needed factors. I think one more factor would push it high enough for a combined proof.

MisterBitcoin · 2018-06-23, 20:24

Quote:

Originally Posted by wblipp

http://factordb.com/index.php?id=1100000000191323140

P-1 requires factors from 10^4116-1. I was delighted to discover that factordb knew factors of 10^2059-1 and 10^2059+1 that were not known for 10^4116-1. Unfortunately, adding those is still shy of the needed factors. I think one more factor would push it high enough for a combined proof.

Nice number. :)

I´m on it.

DukeBG · 2018-06-24, 09:32

I am also running some ecm on 1100000000587080094 and 1100000001141532029, nothing yet, but hopefully eventually...

MisterBitcoin · 2018-06-24, 11:20

Quote:

Originally Posted by DukeBG

I am also running some ecm on 1100000000587080094 and 1100000001141532029, nothing yet, but hopefully eventually...

Stopped on C4100 after 214 curves@50K and 430 curves@250K. Plus additionel 94 curves@1M.
No factor found. Now taking C588.

MisterBitcoin · 2018-06-25, 07:03

Quote:

Originally Posted by MisterBitcoin

Stopped on C4100 after 214 curves@50K and 430 curves@250K. Plus additionel 94 curves@1M.
No factor found. Now taking C588.

Stopping on C588, no factor found.

vebis · 2018-06-25, 13:05

ecm: found prp38 factor = 19724282640618577514664673690602927661

wblipp · 2018-06-25, 13:55

factordb is currently showing "submitted for N-1" thanks to vebis' P38.

factordb still shows a C588, so think MisterBitcoin transposed letters and meant "no factor found" rather than "on factor found." I used my super powers to change that.

DukeBG · 2018-06-25, 15:20

Now "proven by N-1". Yay.

MisterBitcoin · 2018-06-25, 16:53

Quote:

Originally Posted by wblipp

factordb is currently showing "submitted for N-1" thanks to vebis' P38.

factordb still shows a C588, so think MisterBitcoin transposed letters and meant "no factor found" rather than "on factor found." I used my super powers to change that.

Your super power was correct; I meant "no factor found".

2018-06-25, 13:05	#371
vebis Oct 2015 2²×17 Posts	C1163 ecm: found prp38 factor = 19724282640618577514664673690602927661

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2018-06-19, 15:44	#365
DukeBG Mar 2018 3×43 Posts	ran some quick pm1/ecm, added 26 digits "worth" to n+1, meh

2018-06-22, 23:16	#366
wblipp "William" May 2003 New Haven 2×7×13² Posts	http://factordb.com/index.php?id=1100000000191323140 P-1 requires factors from 10^4116-1. I was delighted to discover that factordb knew factors of 10^2059-1 and 10^2059+1 that were not known for 10^4116-1. Unfortunately, adding those is still shy of the needed factors. I think one more factor would push it high enough for a combined proof.

2018-06-24, 09:32	#368
DukeBG Mar 2018 3·43 Posts	I am also running some ecm on 1100000000587080094 and 1100000001141532029, nothing yet, but hopefully eventually...

2018-06-25, 13:55	#372
wblipp "William" May 2003 New Haven 4476₈ Posts	factordb is currently showing "submitted for N-1" thanks to vebis' P38. factordb still shows a C588, so think MisterBitcoin transposed letters and meant "no factor found" rather than "on factor found." I used my super powers to change that.

2018-06-25, 15:20	#373
DukeBG Mar 2018 3·43 Posts	Now "proven by N-1". Yay.