137 998 589 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 =	1133000
B2 =	994860570

Status	Date	User	Residue	Shift	Type	Base
Verified	2025-05-18	Eli Modnar	0B52413C7E7F26BC	130860582	1	3

History

Date	User	Type	Result
2025-05-19	Pappy	CERT	PRP Certification CERT proof power = 8 Proof certified good
2025-05-18	Eli Modnar	C-PRP	0B52413C7E7F26BC PRP proof power = 8 PRP: Verified Proof certified good
2024-09-19	Luke Durant	NF-PM1	B1=1133000, B2=994860570
2024-07-09	Luke Durant	NF	no factor from 2^76 to 2^77
2022-09-16	storm5510	NF	no factor from 2^74 to 2^76
2021-08-02	SRBase	NF	no factor from 2^73 to 2^74
2020-12-02	SRBase	NF	no factor from 2^72 to 2^73
2016-10-03	Derek	NF	no factor from 2^71 to 2^72
2016-10-03	volwolpcs	NF	no factor from 2^70 to 2^71
2016-10-02	naturegeak	NF	no factor from 2^69 to 2^70
2016-04-01	Choi4KANG	NF	no factor from 2^68 to 2^69
2016-03-02	dbaugh	NF	no factor from 2^67 to 2^68
2015-02-06	aurashift	NF	no factor from 2^66 to 2^67
2012-11-21	Richard	NF	no factor from 2^65 to 2^66
2010-12-02	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-06-11	oodaira	NF	no factor from 2^63 to 2^64