332 283 821 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 =	2000000
B2 =	128524770

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=11	2025-04-28	iucas	063131944FFEB4D8	0	1	3

History

Date	User	Type	Result
2025-04-29	Shadwick76	CERT	Proof certified good
2025-04-28	iucas	C-PRP	063131944FFEB4D8 Proof Certified Good Proof Power: 11
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-06-15	JacobZ	NF-PM1	B1=2000000, B2=128524770
2023-01-05	Mark Rose	NF	no factor TF: 80-81
2023-01-05	Mark Rose	NF	no factor TF: 79-80
2013-04-22	Bill Staffen	NF	no factor TF: 78-79
2013-04-22	Bill Staffen	NF	no factor TF: 77-78
2013-04-22	Bill Staffen	NF	no factor TF: 76-77
2013-04-21	Bill Staffen	NF	no factor TF: 75-76
2013-04-21	Bill Staffen	NF	no factor TF: 74-75
2013-04-21	Bill Staffen	NF	no factor TF: 73-74
2012-08-05	Team_Inspector	NF	no factor TF: 72-73
2012-02-06	Grant McCracken	NF	no factor TF: 71-72
2011-07-14	Grant McCracken	NF	no factor TF: 70-71
2010-05-25	Sunfish	NF	no factor TF: 69-70
2009-07-22	Team_Inspector	NF	no factor TF: 68-69