332 209 607 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 =	3125000
B2 =	85156250

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2025-04-16	Chrit Atkinson	F72153799CD71D4A	311483986	1	3

History

Date	User	Type	Result
2025-04-18	Kriesel	CERT	Proof certified good
2025-04-16	Chrit Atkinson	C-PRP	Proof Certified Good Proof Power: 8
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2020-10-08	Albrecht Heeffer	NF	no factor TF: 80-81
2020-10-07	Albrecht Heeffer	NF	no factor TF: 79-80
2020-08-01	Bill Staffen	NF	no factor TF: 78-79
2015-07-08	aurashift	NF-PM1	B1=3125000, B2=85156250, E=6
2015-06-18	NR	NF	no factor TF: 77-78
2015-06-18	NR	NF	no factor TF: 76-77
2011-09-27	Sebastian Hornbostel	NF	no factor TF: 75-76
2011-09-27	Sebastian Hornbostel	NF	no factor TF: 74-75
2010-05-14	Team_Inspector	NF	no factor TF: 73-74
2010-05-08	Team_Inspector	NF	no factor TF: 72-73
2010-01-28	Team_Inspector	NF	no factor TF: 71-72
2010-01-27	Team_Inspector	NF	no factor TF: 70-71
2009-07-06	Team_Inspector	NF	no factor TF: 69-70
2009-01-11	Team_Inspector	NF	no factor TF: 68-69