332 204 381 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 =	2860000
B2 =	75075000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2025-06-24	JOHNRD	CD4A9F7E89D4DD09	127362030	1	3

History

Date	User	Type	Result
2025-06-27	Kriesel	CERT	Proof certified good
2025-06-24	JOHNRD	C-PRP	CD4A9F7E89D4DD09 Proof Certified Good Proof Power: 8
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2020-09-21	Albrecht Heeffer	NF	no factor TF: 80-81
2020-09-10	Albrecht Heeffer	NF	no factor TF: 79-80
2016-10-04	aurashift	NF-PM1	B1=2860000, B2=75075000, E=12
2010-11-12	TheJudger	NF	no factor TF: 78-79
2010-11-12	TheJudger	NF	no factor TF: 77-78
2010-11-12	TheJudger	NF	no factor TF: 76-77
2010-11-12	TheJudger	NF	no factor TF: 75-76
2009-08-27	Team_Deutschland	NF	no factor TF: 74-75
2009-06-06	Adrian Panasiuk	NF	no factor TF: 73-74
2009-03-30	S.Andrychuk	NF	no factor TF: 72-73
2009-03-29	S.Andrychuk	NF	no factor TF: 71-72
2009-03-12	Team_Inspector	NF	no factor TF: 70-71
2008-12-03	Team_Inspector	NF	no factor TF: 69-70
2008-12-03	Team_Inspector	NF	no factor TF: 68-69