136 858 147 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 =	671000
B2 =	31165260

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-10-13	Luke Durant	FC39C263622B4057	0	1	3

History

Date	User	Type	Result
2024-10-13	Luke Durant	CERT	PRP Certification CERT proof power = 9 Proof certified good
2024-10-13	Luke Durant	C-PRP	FC39C263622B4057 PRP proof power = 9 PRP: Verified Proof certified good
2024-09-13	Ryan Propper	NF-PM1	B1=671000, B2=31165260
2024-07-04	Richard	NF	no factor from 2^76 to 2^77
2024-07-04	Richard	NF	no factor from 2^75 to 2^76
2023-01-10	SRBase	NF	no factor from 2^74 to 2^75
2021-07-29	SRBase	NF	no factor from 2^73 to 2^74
2020-10-23	SRBase	NF	no factor from 2^72 to 2^73
2016-04-02	Mihai Preda	NF	no factor from 2^71 to 2^72
2016-03-22	Choi4KANG	NF	no factor from 2^70 to 2^71
2016-01-09	La Güira	NF	no factor from 2^69 to 2^70
2016-01-09	La Güira	NF	no factor from 2^68 to 2^69
2016-01-09	La Güira	NF	no factor from 2^67 to 2^68
2015-02-09	SADMASTER	NF	no factor from 2^66 to 2^67
2013-01-08	carlos56	NF	no factor from 2^65 to 2^66
2010-11-29	Charles A. Morris	NF	no factor from 2^64 to 2^65
2010-06-10	Torchwood Institute	NF	no factor from 2^63 to 2^64