70 458 737 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 =	630000
B2 =	11655000

Status	Date	User	Residue	Shift
Unverified	2016-11-23	VVS77	90C030C08E1872__	28691764

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-07-30	du	5A9EBB42A9851405	0	1	3

History

Date	User	Type	Result
2024-07-31	chauvet_p	CERT	PRP Certification CERT proof power = 8 Proof certified good
2024-07-30	du	C-PRP	5A9EBB42A9851405 PRP proof power = 8 PRP: Verified Proof certified good
2016-11-23	VVS77	C-LL	90C030C08E1872__
2016-04-10	-Anonymous-	NF	no factor from 2^74 to 2^75
2015-01-23	S36049	NF-PM1	B1=630000, B2=11655000
2014-11-01	Chuck	NF	no factor from 2^73 to 2^74
2014-10-30	apocalypse	NF	no factor from 2^72 to 2^73
2014-09-23	srow7	NF	no factor from 2^71 to 2^72
2010-02-27	ahmerali	NF	no factor to 2^71
2010-02-20	SAHS Science Dept	NF	no factor from 2^64 to 2^65
2008-11-21	Wojciech Florek	NF	no factor to 2^64