332 212 477 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 =	3000000
B2 =	79500000

Status	Date	User	Residue	Shift	Software
Unverified	2019-01-21	nikopolidis	A5D23F4B1408EE__	161374608	CUDALucas v2.06beta

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-02-11	Mark Rose	NF	no factor TF: 80-81
2023-02-11	Mark Rose	NF	no factor TF: 79-80
2019-01-21	nikopolidis	C-LL	A5D23F4B1408EE__
2015-06-23	aurashift	NF-PM1	B1=3000000, B2=79500000, E=12
2010-11-20	TheJudger	NF	no factor TF: 77-78
2010-11-20	TheJudger	NF	no factor TF: 78-79
2010-11-20	TheJudger	NF	no factor TF: 76-77
2010-11-20	TheJudger	NF	no factor TF: 75-76
2010-11-20	TheJudger	NF	no factor TF: 74-75
2010-10-31	Team_Inspector	NF	no factor TF: 73-74
2010-02-05	Tydus	NF	no factor TF: 72-73
2010-01-25	Team_Inspector	NF	no factor TF: 71-72
2010-01-24	Team_Inspector	NF	no factor TF: 70-71
2009-07-11	Team_Inspector	NF	no factor TF: 69-70
2009-07-10	Team_Inspector	NF	no factor TF: 68-69