139 923 709 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 =	1191000
B2 =	1370281770

Status	Date	User	Residue	Shift	Type	Base
Verified	2025-03-26	kracker	B45F053C0A1A901A	0	1	3

History

Date	User	Type	Result
2025-03-26	lhunt	CERT	PRP Certification CERT proof power = 9 Proof certified good
2025-03-26	kracker	C-PRP	B45F053C0A1A901A PRP proof power = 9 PRP: Verified Proof certified good
2024-09-24	Luke Durant	NF-PM1	B1=1191000, B2=1370281770
2024-08-20	Luke Durant	NF	no factor from 2^76 to 2^77
2024-07-23	SRBase	NF	no factor from 2^75 to 2^76
2023-01-16	SRBase	NF	no factor from 2^74 to 2^75
2021-09-24	Neutron3529	NF	no factor from 2^73 to 2^74
2020-10-25	SRBase	NF	no factor from 2^72 to 2^73
2016-09-10	EPF	NF	no factor from 2^71 to 2^72
2016-08-30	bayanne	NF	no factor from 2^70 to 2^71
2016-08-30	Derek	NF	no factor from 2^69 to 2^70
2016-08-30	Derek	NF	no factor from 2^68 to 2^69
2016-08-17	Siechnice	NF	no factor from 2^67 to 2^68
2015-02-12	fireredd	NF	no factor from 2^66 to 2^67
2012-11-26	Cire Sivad	NF	no factor from 2^65 to 2^66
2010-12-11	Richard	NF	no factor from 2^64 to 2^65
2010-06-13	WPS	NF	no factor from 2^63 to 2^64