332 276 977 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 =	2174000
B2 =	92865000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2025-06-18	Simon Josefsson	4CD9DD9F02DC1F78	282145048	1	3

History

Date	User	Type	Result
2025-06-20	Kriesel	CERT	Proof certified good
2025-06-18	Simon Josefsson	C-PRP	4CD9DD9F02DC1F78 Proof Certified Good Proof Power: 7
2025-02-12	Siarhei P. 😜	NF-PM1	B1=2174000, B2=92865000
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2020-11-09	Siarhei P. 😜	NF	no factor TF: 80-81
2020-11-09	Siarhei P. 😜	NF	no factor TF: 79-80
2020-11-09	Siarhei P. 😜	NF	no factor TF: 78-79
2020-11-09	Siarhei P. 😜	NF	no factor TF: 77-78
2016-07-04	Team_Inspector	NF	no factor TF: 76-77
2013-02-23	Dawood Hjeij	NF	no factor TF: 75-76
2013-02-13	Dawood Hjeij	NF	no factor TF: 74-75
2012-12-06	Team_Inspector	NF	no factor TF: 73-74
2012-02-17	Team_Inspector	NF	no factor TF: 72-73
2011-11-09	Grant McCracken	NF	no factor TF: 71-72
2011-06-19	Grant McCracken	NF	no factor TF: 70-71
2010-05-20	Grant McCracken	NF	no factor TF: 69-70
2009-07-13	Sunfish	NF	no factor TF: 68-69