56 868 611 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

TF

No factors below 2⁷⁶

TF target 2⁷³

P-1

B1 =	570000
B2 =	12397500

Status	Date	User	Residue	Shift
Verified	2013-03-13	linded	CCF1D7F623D2D9E0	49355380
Verified	2020-04-29	ASSANNAM Mohamed	CCF1D7F623D2D9E0	45495944

History

Date	User	Type	Result
2020-11-07	-Anonymous-	NF	no factor from 2^75 to 2^76
2020-10-24	-Anonymous-	NF	no factor from 2^74 to 2^75
2020-04-29	ASSANNAM Mohamed	C-LL	CCF1D7F623D2D9E0
2018-12-05	linament	NF	no factor from 2^73 to 2^74
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^63
2016-01-10	-Anonymous-	NF	no factor from 2^72 to 2^73
2013-03-13	linded	C-LL	CCF1D7F623D2D9E0
2012-07-15	TheJudger	NF-PM1	B1=570000, B2=12397500, E=12
2012-06-26	Jerry Hallett	NF	no factor from 2^71 to 2^72
2011-09-05	GrunwalderGIMP	NF	no factor from 2^70 to 2^71
2011-06-10	jcablett	NF	no factor from 2^69 to 2^70
2011-04-24	rglarson	NF	no factor from 2^68 to 2^69
2009-11-24	sirlpr	NF	no factor from 2^67 to 2^68
2008-08-24	James Heinrich	NF	no factor from 2^66 to 2^67
2008-08-23	James Heinrich	NF	no factor from 2^65 to 2^66
2008-08-22	Squeeky_Squirrel	NF	no factor from 2^64 to 2^65
2008-08-18	arnaud	NF	no factor from 2^63 to 2^64