70 832 851 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime

TF

No factors below 2⁷⁵

TF target 2⁷⁴

P-1

B1 =	645000
B2 =	13383750

Status	Date	User	Residue	Shift
Unverified	2016-09-10	curtisc	ED39FD8EBB9734__	63611488

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2024-08-20	antkh	LL double-check	LL	90.13 %	2024-12-04

History

Date	User	Type	Result
2016-09-10	curtisc	C-LL	ED39FD8EBB9734__
2016-05-25	-Anonymous-	NF	no factor from 2^74 to 2^75
2014-12-07	TheJudger	NF-PM1	B1=645000, B2=13383750, E=12
2014-11-23	TheJudger	NF	no factor from 2^73 to 2^74
2014-11-23	TheJudger	NF	no factor from 2^72 to 2^73
2014-10-21	LaurV	NF	no factor from 2^71 to 2^72
2013-04-30	ahmerali	NF	no factor to 2^71
2013-04-13	NoWhereMan	NF	no factor from 2^69 to 2^70
2010-03-12	korva	NF	no factor from 2^68 to 2^69
2010-03-06	korva	NF	no factor from 2^67 to 2^68
2010-03-02	Sturle Sunde	NF	no factor from 2^66 to 2^67
2010-02-28	Sturle Sunde	NF	no factor from 2^65 to 2^66
2010-02-27	ANONYMOUS	NF	no factor from 2^64 to 2^65
2008-11-19	Wojciech Florek	NF	no factor to 2^64