332 225 107 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 =	2425000
B2 =	1715937804

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	PRP without proof (not generated)	2019-01-26	Work	ADEF73F74FDB6EAB	298617161	1	3
Verified	Certified Good Power=10	2026-03-06	Kriesel	ADEF73F74FDB6EAB	0	1	3

History

Date	User	Type	Result
2026-03-07	Greg	CERT	Proof certified good
2026-03-06	Kriesel	C-PRP	Proof Certified Good Proof Power: 10
2025-11-21	Kriesel	NF-PM1	B1=2425000, B2=1715937804
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-15	Mark Rose	NF	no factor TF: 80-81
2023-03-15	Mark Rose	NF	no factor TF: 79-80
2023-02-20	Mark Rose	NF	no factor TF: 78-79
2019-01-26	Work	C-PRP	ADEF73F74FDB6EAB
2018-08-23	Work	NF-PM1	B1=2980000, B2=82695000
2015-08-25	NR	NF	no factor TF: 77-78
2010-08-06	amphoria	NF	no factor TF: 76-77
2010-08-06	amphoria	NF	no factor TF: 75-76
2010-08-06	amphoria	NF	no factor TF: 74-75
2010-08-06	amphoria	NF	no factor TF: 73-74
2010-08-06	amphoria	NF	no factor TF: 72-73
2010-02-20	Team_Inspector	NF	no factor TF: 71-72
2010-02-20	Team_Inspector	NF	no factor TF: 70-71
2009-08-20	Grant McCracken	NF	no factor TF: 69-70
2008-12-24	Team_Inspector	NF	no factor TF: 68-69