332 198 311 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 2⁸²

TF target 2⁸¹

P-1

B1 =	2490000
B2 =	19920000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=10	2026-01-09	JohnnyBGood	BD301FCECB344EB9	159357714	1	3

History

Date	User	Type	Result
2026-01-09	Imane KOULALI	CERT	Proof certified good
2026-01-09	JohnnyBGood	C-PRP	BD301FCECB344EB9 Proof Certified Good Proof Power: 10
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2020-08-20	Albrecht Heeffer	NF	no factor TF: 81-82
2020-08-19	Albrecht Heeffer	NF	no factor TF: 79-80
2020-08-19	Albrecht Heeffer	NF	no factor TF: 80-81
2011-01-23	Olie	NF-PM1	B1=2490000, B2=19920000
2010-10-05	amphoria	NF	no factor TF: 78-79
2010-10-05	amphoria	NF	no factor TF: 77-78
2010-10-05	amphoria	NF	no factor TF: 76-77
2010-10-05	amphoria	NF	no factor TF: 75-76
2009-10-29	Sunfish	NF	no factor TF: 74-75
2009-10-22	Sunfish	NF	no factor TF: 73-74
2009-10-18	Sunfish	NF	no factor TF: 72-73
2009-10-16	Sunfish	NF	no factor TF: 71-72
2009-01-13	Team_Inspector	NF	no factor TF: 70-71
2008-10-27	Team_Inspector	NF	no factor TF: 69-70
2008-10-27	Team_Inspector	NF	no factor TF: 68-69