72 983 881 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 =	675000
B2 =	14006250

Status	Date	User	Residue	Shift
Unverified	2017-06-14	Evgeniy Zavialov	7BB5EFE1860338__	35388251

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2024-04-09	-Anonymous-	LL double-check	LL	8.67 %	2024-04-24

History

Date	User	Type	Result
2017-06-14	Evgeniy Zavialov	C-LL	7BB5EFE1860338__
2016-05-03	Fredrik	NF	no factor from 2^74 to 2^75
2014-08-03	TheJudger	NF-PM1	B1=675000, B2=14006250, E=12
2014-07-21	NickOfTime	NF	no factor from 2^73 to 2^74
2014-07-21	NickOfTime	NF	no factor from 2^72 to 2^73
2014-07-21	NickOfTime	NF	no factor from 2^71 to 2^72
2013-07-12	ITS	NF	no factor from 2^70 to 2^71
2012-12-04	Clown_Royal	NF	no factor from 2^69 to 2^70
2010-10-10	forrest-lumpkin	NF	no factor from 2^68 to 2^69
2010-10-08	Ge yong	NF	no factor from 2^67 to 2^68
2010-10-03	Ge yong	NF	no factor from 2^66 to 2^67
2010-09-30	Ge yong	NF	no factor from 2^65 to 2^66
2010-09-29	-Anonymous-	NF	no factor from 2^64 to 2^65
2008-09-19	Wojciech Florek	NF	no factor to 2^64