137 728 523 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 =	676000
B2 =	31127040

Status	Date	User	Residue	Shift	Type	Base
Verified	2025-04-24	curtisc	B05357EFA9FE9BE6	92545308	1	3

History

Date	User	Type	Result
2025-04-24	Benjamin Michaelis	CERT	PRP Certification CERT proof power = 8 Proof certified good
2025-04-24	curtisc	C-PRP	B05357EFA9FE9BE6 PRP proof power = 8 PRP: Verified Proof certified good
2024-09-18	Ryan Propper	NF-PM1	B1=676000, B2=31127040
2024-07-24	Luke Durant	NF	no factor from 2^76 to 2^77
2024-07-14	SRBase	NF	no factor from 2^75 to 2^76
2023-01-12	SRBase	NF	no factor from 2^74 to 2^75
2021-07-31	SRBase	NF	no factor from 2^73 to 2^74
2020-11-13	SRBase	NF	no factor from 2^72 to 2^73
2016-05-14	SRS Technology	NF	no factor from 2^71 to 2^72
2016-03-20	SourceBinary.com	NF	no factor from 2^70 to 2^71
2016-02-22	La Güira	NF	no factor from 2^69 to 2^70
2016-02-22	La Güira	NF	no factor from 2^68 to 2^69
2016-02-22	La Güira	NF	no factor from 2^67 to 2^68
2015-02-05	Mr-Plonk	NF	no factor from 2^66 to 2^67
2013-01-10	RMAC9.5	NF	no factor from 2^65 to 2^66
2010-12-01	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-06-11	Torchwood Institute	NF	no factor from 2^63 to 2^64