136 379 461 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 =	894000
B2 =	155403150

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-11-27	Scott Hemphill	BE0D80EB621CEF25	113979991	1	3

History

Date	User	Type	Result
2024-11-27	Xyzzy	CERT	PRP Certification CERT proof power = 8 Proof certified good
2024-11-27	Scott Hemphill	C-PRP	BE0D80EB621CEF25 PRP proof power = 8 PRP: Verified Proof certified good
2024-09-11	Jeff_Gilchrist	NF-PM1	B1=894000, B2=155403150
2024-06-25	Vili	NF	no factor from 2^76 to 2^77
2024-05-24	JacobZ	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
2020-10-27	SRBase	NF	no factor from 2^72 to 2^73
2017-02-02	SourceBinary.com	NF	no factor from 2^71 to 2^72
2017-01-27	proxy2222	NF	no factor from 2^70 to 2^71
2016-08-17	Andrew B	NF	no factor from 2^69 to 2^70
2016-02-17	AK76	NF	no factor from 2^68 to 2^69
2016-02-13	dbaugh	NF	no factor from 2^67 to 2^68
2015-02-22	Richard	NF	no factor from 2^66 to 2^67
2012-11-06	tsc	NF	no factor from 2^65 to 2^66
2010-11-27	vapaddy	NF	no factor from 2^64 to 2^65
2010-06-09	WPS	NF	no factor from 2^63 to 2^64