70 679 291 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with PRP test

TF

No factors below 2⁷⁵

TF target 2⁷⁴

P-1

B1 =	376000
B2 =	81374700

Status	Date	User	Residue	Shift
Unverified	2017-01-21	curtisc	8FB200762BBA15__	49398862

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-03-21	y-omori	A973B999AE697FF0	57400145	1	3

History

Date	User	Type	Result
2024-03-21	Will Edgington	CERT	PRP Certification CERT proof power = 9 Proof certified good
2024-03-21	y-omori	C-PRP	A973B999AE697FF0 PRP proof power = 9 PRP: Verified Proof certified good
2024-03-19	y-omori	NF-PM1	B1=376000, B2=81374700
2017-01-21	curtisc	C-LL	8FB200762BBA15__
2016-05-07	-Anonymous-	NF	no factor from 2^74 to 2^75
2014-11-30	TheJudger	NF-PM1	B1=645000, B2=13222500, E=12
2014-11-23	TheJudger	NF	no factor from 2^73 to 2^74
2014-11-17	kracker	NF	no factor from 2^72 to 2^73
2014-10-10	LaurV	NF	no factor from 2^71 to 2^72
2013-07-02	roemer2201	NF	no factor from 2^70 to 2^71
2012-11-07	GrunwalderGIMP	NF	no factor from 2^69 to 2^70
2010-05-14	Gordon Bower	NF	no factor from 2^68 to 2^69
2010-05-09	Gordon Bower	NF	no factor from 2^67 to 2^68
2010-05-04	Gordon Bower	NF	no factor from 2^66 to 2^67
2010-05-02	Gordon Bower	NF	no factor from 2^65 to 2^66
2010-04-26	Håkan Svensson	NF	no factor from 2^64 to 2^65
2008-11-23	Wojciech Florek	NF	no factor to 2^64