139 447 303 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 2⁷⁷

TF target 2⁷⁷

P-1

B1 =	682000
B2 =	31914750

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2025-03-24	EvgenyK	51C0B6403F072A97	19397959	1	3

History

Date	User	Type	Result
2025-03-25	0x	CERT	Proof certified good
2025-03-24	EvgenyK	C-PRP	51C0B6403F072A97 Proof Certified Good Proof Power: 8
2024-09-23	Ryan Propper	NF-PM1	B1=682000, B2=31914750
2024-09-04	Vili	NF	no factor TF: 76-77
2024-07-19	SRBase	NF	no factor TF: 75-76
2023-01-15	SRBase	NF	no factor TF: 74-75
2021-08-05	SRBase	NF	no factor TF: 73-74
2020-11-17	SRBase	NF	no factor TF: 72-73
2016-09-02	Mihai Preda	NF	no factor TF: 71-72
2016-08-22	Smok_bmv	NF	no factor TF: 70-71
2016-08-20	Derek	NF	no factor TF: 69-70
2016-08-20	Derek	NF	no factor TF: 68-69
2016-08-16	BrionH	NF	no factor TF: 67-68
2015-02-10	Judge Hale	NF	no factor TF: 66-67
2012-11-23	Mr-Plonk	NF	no factor TF: 65-66
2010-12-08	Richard	NF	no factor TF: 64-65
2010-06-13	Torchwood Institute	NF	no factor TF: 63-64