332 195 761 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 =	100000000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2025-10-09	Siarhei P. 😜	228CBC3C3A58B39B	126009862	1	3

History

Date	User	Type	Result
2025-10-10	Kriesel	CERT	Proof certified good
2025-10-09	Siarhei P. 😜	C-PRP	228CBC3C3A58B39B Proof Certified Good Proof Power: 7
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2021-02-23	Kriesel	NF	no factor TF: 80-81
2021-02-23	Kriesel	NF-PM1	B1=2000000, B2=100000000
2018-12-31	Random GPUs	NF	no factor TF: 79-80
2013-07-11	Bill Staffen	NF	no factor TF: 78-79
2013-07-10	Bill Staffen	NF	no factor TF: 77-78
2010-05-03	LaurV	NF	no factor TF: 76-77
2010-04-11	LaurV	NF	no factor TF: 75-76
2010-04-01	LaurV	NF-PM1	B1=5670000
2008-12-22	Nayan Hajratwala	NF	no factor TF: 74-75
2008-12-15	Nayan Hajratwala	NF	no factor TF: 73-74
2008-12-11	Nayan Hajratwala	NF	no factor TF: 72-73
2008-12-09	Nayan Hajratwala	NF	no factor TF: 71-72
2008-12-09	Nayan Hajratwala	NF	no factor TF: 70-71
2008-10-01	Team_Inspector	NF	no factor TF: 69-70
2008-10-01	Team_Inspector	NF	no factor TF: 68-69