136 539 437 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 =	666000
B2 =	31203270

Status	Date	User	Residue	Shift	Type	Base
Verified	2025-02-15	aperson1	4C195962DBD45BDF	115317999	1	3

History

Date	User	Type	Result
2025-02-15	argilo	CERT	PRP Certification CERT proof power = 10 Proof certified good
2025-02-15	aperson1	C-PRP	4C195962DBD45BDF PRP proof power = 10 PRP: Verified Proof certified good
2024-09-10	Ryan Propper	NF-PM1	B1=666000, B2=31203270
2024-06-28	Richard	NF	no factor from 2^76 to 2^77
2024-06-27	ANONYMOUS	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
2020-10-22	SRBase	NF	no factor from 2^72 to 2^73
2016-02-27	Choi4KANG	NF	no factor from 2^71 to 2^72
2015-12-24	La Güira	NF	no factor from 2^70 to 2^71
2015-09-21	La Güira	NF	no factor from 2^69 to 2^70
2015-09-21	La Güira	NF	no factor from 2^68 to 2^69
2015-09-21	La Güira	NF	no factor from 2^67 to 2^68
2015-01-30	rubikvn2100	NF	no factor from 2^66 to 2^67
2012-11-07	Koekie	NF	no factor from 2^65 to 2^66
2010-11-28	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-06-14	Richard	NF	no factor from 2^63 to 2^64