139 303 951 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with PRP test

No factors below 2⁷⁸

TF target 2⁷⁷

P-1

B1 =	682000
B2 =	31914750

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2025-01-18	NStorm	5322AEBBE04FF9ED	0	1	3

History

Date	User	Type	Result
2025-01-18	mattashii	CERT	Proof certified good
2025-01-18	NStorm	C-PRP	5322AEBBE04FF9ED Proof Certified Good Proof Power: 8
2025-01-09	NStorm	NF	no factor TF: 77-78
2024-09-23	Ryan Propper	NF-PM1	B1=682000, B2=31914750
2024-08-12	Luke Durant	NF	no factor TF: 76-77
2024-07-13	SRBase	NF	no factor TF: 75-76
2023-01-15	SRBase	NF	no factor TF: 74-75
2021-08-04	SRBase	NF	no factor TF: 73-74
2020-10-23	SRBase	NF	no factor TF: 72-73
2017-02-23	Xolotl	NF	no factor TF: 71-72
2017-02-20	proxy2222	NF	no factor TF: 70-71
2016-03-02	SourceBinary.com	NF	no factor TF: 69-70
2016-02-27	Ready4PrimeTime	NF	no factor TF: 68-69
2016-02-18	GustavEbbers	NF	no factor TF: 67-68
2015-02-09	fireredd	NF	no factor TF: 66-67
2012-11-22	sannerud.com	NF	no factor TF: 65-66
2010-12-06	sasaki3	NF	no factor TF: 64-65
2010-06-13	Torchwood Institute	NF	no factor TF: 63-64