139 762 783 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 =	814000
B2 =	82171530

Status	Date	User	Residue	Shift	Type	Base
Verified	2025-03-26	Noodles	2A6BBF97765E77F5	55378090	1	3

History

Date	User	Type	Result
2025-03-26	Manfred_Bruder_01-05-1988_DE	CERT	PRP Certification CERT proof power = 8 Proof certified good
2025-03-26	Noodles	C-PRP	2A6BBF97765E77F5 PRP proof power = 8 PRP: Verified Proof certified good
2024-09-24	Ryan Propper	NF-PM1	B1=814000, B2=82171530
2024-08-17	Luke Durant	NF	no factor from 2^76 to 2^77
2024-07-19	SRBase	NF	no factor from 2^75 to 2^76
2023-01-18	SRBase	NF	no factor from 2^74 to 2^75
2021-08-09	SRBase	NF	no factor from 2^73 to 2^74
2020-10-23	SRBase	NF	no factor from 2^72 to 2^73
2016-11-22	pussijussi	NF	no factor from 2^71 to 2^72
2016-11-16	Adam Buran	NF	no factor from 2^70 to 2^71
2016-08-27	Derek	NF	no factor from 2^69 to 2^70
2016-08-27	Derek	NF	no factor from 2^68 to 2^69
2016-07-26	proxy2222	NF	no factor from 2^67 to 2^68
2015-02-12	3ast	NF	no factor from 2^66 to 2^67
2012-11-25	EratosthenesNG	NF	no factor from 2^65 to 2^66
2010-12-08	Michael C	NF	no factor from 2^64 to 2^65
2010-06-13	Charles A. Morris	NF	no factor from 2^63 to 2^64