332 316 793 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 2⁸¹

TF target 2⁸¹

P-1

B1 =	2345000
B2 =	76837000

Status	Date	User	Residue	Shift	Type	Base
Verified	2022-05-11	Ruslan Borisov	420ECCCB1318AD5F	257124207	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor from 2^67 to 2^68
2023-03-23	Mark Rose	NF	no factor from 2^80 to 2^81
2023-03-23	Mark Rose	NF	no factor from 2^79 to 2^80
2022-05-31	Jan S.	CERT	PRP Certification CERT proof power = 9 Proof certified good
2022-05-11	Ruslan Borisov	C-PRP	420ECCCB1318AD5F PRP proof power = 9 PRP: Verified Proof certified good
2021-03-04	Ruslan Borisov	NF-PM1	B1=2345000, B2=76837000
2020-10-30	Team_Inspector	NF	no factor from 2^78 to 2^79
2020-10-27	Team_Inspector	NF	no factor from 2^77 to 2^78
2020-07-29	el grocco	NF	no factor from 2^76 to 2^77
2016-01-14	Team_Inspector	NF	no factor from 2^75 to 2^76
2013-10-30	sheng	NF	no factor from 2^74 to 2^75
2013-09-23	Team_Inspector	NF	no factor from 2^73 to 2^74
2013-01-16	LaurV	NF	no factor from 2^72 to 2^73
2012-05-20	Grant McCracken	NF	no factor from 2^71 to 2^72
2011-06-14	Grant McCracken	NF	no factor from 2^70 to 2^71
2010-09-30	Sunfish	NF	no factor from 2^69 to 2^70
2009-08-27	Team_Inspector	NF	no factor from 2^68 to 2^69