72 733 561 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 2⁷⁵

TF target 2⁷⁴

P-1

B1 =	625000
B2 =	12656250

Status	Date	User	Residue	Shift
Unverified	2016-04-30	frolyar	9B4A80E36E9ED3__	20333774

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2024-03-31	FWeidenbach	LL double-check	LL	0.01 %	2024-04-25

History

Date	User	Type	Result
2016-04-30	frolyar	C-LL	9B4A80E36E9ED3__
2015-09-13	TheJudger	NF-PM1	B1=625000, B2=12656250, E=12
2015-09-09	A_Savchenko	NF	no factor from 2^74 to 2^75
2015-09-09	A_Savchenko	NF	no factor from 2^73 to 2^74
2015-09-09	A_Savchenko	NF	no factor from 2^72 to 2^73
2013-08-09	nate.anders	NF	no factor from 2^71 to 2^72
2013-08-09	nate.anders	NF	no factor from 2^70 to 2^71
2013-08-09	nate.anders	NF	no factor from 2^69 to 2^70
2010-09-03	eon_blue_apocalypse	NF	no factor from 2^68 to 2^69
2010-08-31	]mh[ Virtek	NF	no factor from 2^67 to 2^68
2010-08-29	S00030	NF	no factor from 2^66 to 2^67
2010-08-28	S00030	NF	no factor from 2^65 to 2^66
2010-07-20	Bold_Seeker	NF	no factor from 2^64 to 2^65
2008-09-22	-Anonymous-	NF	no factor to 2^64