131 322 679 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 2⁷⁷

TF target 2⁷⁷

P-1

B1 =	1096000
B2 =	765536310

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-09-18	Luke Durant	B369B43697A0C55B	1763447	1	3

History

Date	User	Type	Result
2024-09-18	Luke Durant	CERT	PRP Certification CERT proof power = 8 Proof certified good
2024-09-18	Luke Durant	C-PRP	B369B43697A0C55B PRP proof power = 8 PRP: Verified Proof certified good
2024-08-18	Luke Durant	NF-PM1	B1=1096000, B2=765536310
2023-04-03	1997rj7	NF	no factor from 2^76 to 2^77
2023-02-14	tottenhoff	NF	no factor from 2^75 to 2^76
2022-12-31	SRBase	NF	no factor from 2^74 to 2^75
2021-07-20	SRBase	NF	no factor from 2^73 to 2^74
2020-11-20	SRBase	NF	no factor from 2^72 to 2^73
2016-06-03	SRS Technology	NF	no factor from 2^71 to 2^72
2016-06-03	SRS Technology	NF	no factor from 2^70 to 2^71
2012-12-26	VictordeHollander	NF	no factor from 2^69 to 2^70
2012-09-10	VictordeHollander	NF	no factor from 2^68 to 2^69
2012-09-10	VictordeHollander	NF	no factor from 2^65 to 2^68
2010-11-14	Martti Järvi	NF	no factor from 2^64 to 2^65
2010-06-02	Thomas Stork	NF	no factor from 2^63 to 2^64