332 288 809 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 =	2555000
B2 =	59403750

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=10	2025-07-04	M. R. Mayer	C2F2813AB44CB907	210866187	1	3

History

Date	User	Type	Result
2025-07-04	entropydave	CERT	Proof certified good
2025-07-04	M. R. Mayer	C-PRP	C2F2813AB44CB907 Proof Certified Good Proof Power: 10
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2017-05-15	aurashift	NF-PM1	B1=2555000, B2=59403750, E=12
2016-06-13	dh1	NF	no factor TF: 80-81
2016-06-13	dh1	NF	no factor TF: 79-80
2016-06-13	dh1	NF	no factor TF: 78-79
2016-06-13	dh1	NF	no factor TF: 77-78
2016-06-13	dh1	NF	no factor TF: 76-77
2014-12-30	Jacques MOLNE	NF	no factor TF: 75-76
2013-09-20	ktony	NF	no factor TF: 74-75
2013-05-15	kracker	NF	no factor TF: 73-74
2013-01-03	Team_Inspector	NF	no factor TF: 72-73
2011-12-30	Grant McCracken	NF	no factor TF: 71-72
2011-07-12	Grant McCracken	NF	no factor TF: 70-71
2010-06-13	Sunfish	NF	no factor TF: 69-70
2009-08-14	Team_Inspector	NF	no factor TF: 68-69