332 257 661 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 2⁸¹

TF target 2⁸¹

P-1

B1 =	4090000
B2 =	4090000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=10	2025-03-06	flip2433	C6B0F8C4994C0D01	0	1	3

History

Date	User	Type	Result
2025-03-06	jingfired	CERT	Proof certified good
2025-03-06	flip2433	C-PRP	Proof Certified Good Proof Power: 10
2023-12-04	bayanne	NF	no factor TF: 80-81
2023-11-29	gcardona	NF	no factor TF: 79-80
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2011-07-13	ph137	NF-PM1	B1=4090000
2011-04-16	TheJudger	NF	no factor TF: 78-79
2011-04-16	TheJudger	NF	no factor TF: 77-78
2011-04-16	TheJudger	NF	no factor TF: 76-77
2011-04-16	TheJudger	NF	no factor TF: 75-76
2011-04-16	TheJudger	NF	no factor TF: 74-75
2011-03-26	Sebastian Hornbostel	NF	no factor TF: 73-74
2011-03-24	Team_Inspector	NF	no factor TF: 72-73
2011-03-21	Team_Inspector	NF	no factor TF: 71-72
2011-02-09	Team_Inspector	NF	no factor TF: 70-71
2009-06-14	Team_Inspector	NF	no factor TF: 69-70
2009-03-16	Team_Inspector	NF	no factor TF: 68-69