332 291 131 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime

No factors below 2⁸¹

TF target 2⁸¹

P-1

B1 =	2969000
B2 =	502226340

Status	Date	User	Residue	Shift	Software
Unverified	2018-10-02	nikopolidis	933071EC542B99__	229617155	CUDALucas v2.06beta

History

Date	User	Type	Result
2026-03-07	ElectricBill	NF-PM1	B1=2969000, B2=502226340
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2018-10-02	nikopolidis	C-LL	933071EC542B99__
2017-06-19	-anonymous-	NF-PM1	B1=3330000
2016-06-21	dh1	NF	no factor TF: 80-81
2016-06-21	dh1	NF	no factor TF: 79-80
2016-06-21	dh1	NF	no factor TF: 78-79
2016-06-21	dh1	NF	no factor TF: 77-78
2016-06-21	dh1	NF	no factor TF: 76-77
2014-12-31	Jacques MOLNE	NF	no factor TF: 75-76
2013-09-21	ktony	NF	no factor TF: 74-75
2013-05-17	kracker	NF	no factor TF: 73-74
2013-01-12	LaurV	NF	no factor TF: 72-73
2012-02-06	Team_Inspector	NF	no factor TF: 71-72
2011-05-01	Grant McCracken	NF	no factor TF: 70-71
2009-12-24	vats09	NF	no factor TF: 69-70
2009-06-29	Team_Inspector	NF	no factor TF: 68-69