136 758 691 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 =	677000
B2 =	31152450

Status	Date	User	Residue	Shift	Type	Base
Verified	2025-01-03	Jaytholomew	98C5809DAD9EABA9	36411932	1	3

History

Date	User	Type	Result
2025-01-03	Xyzzy	CERT	PRP Certification CERT proof power = 10 Proof certified good
2025-01-03	Jaytholomew	C-PRP	98C5809DAD9EABA9 PRP proof power = 10 PRP: Verified Proof certified good
2024-09-12	Ryan Propper	NF-PM1	B1=677000, B2=31152450
2024-07-24	Vili	NF	no factor from 2^76 to 2^77
2024-07-18	Vili	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
2020-10-25	SRBase	NF	no factor from 2^72 to 2^73
2016-03-15	guru	NF	no factor from 2^71 to 2^72
2016-02-25	guru	NF	no factor from 2^70 to 2^71
2016-02-25	guru	NF	no factor from 2^69 to 2^70
2016-02-19	Ready4PrimeTime	NF	no factor from 2^68 to 2^69
2016-02-13	dbaugh	NF	no factor from 2^67 to 2^68
2015-04-03	vwflat4	NF	no factor from 2^66 to 2^67
2012-11-14	Richard	NF	no factor from 2^65 to 2^66
2010-11-29	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-06-10	Charles A. Morris	NF	no factor from 2^63 to 2^64