332 273 849 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 =	2545000
B2 =	57262500

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2026-01-18	Angelino Desmet	5F0CB834001105B4	187499663	1	3

History

Date	User	Type	Result
2026-01-19	Kriesel	CERT	Proof certified good
2026-01-18	Angelino Desmet	C-PRP	5F0CB834001105B4 Proof Certified Good Proof Power: 8
2025-02-12	Siarhei P. 😜	NF-PM1	B1=2545000, B2=57262500
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
2014-08-30	Team_Inspector	NF	no factor TF: 76-77
2014-04-27	Team_Inspector	NF	no factor TF: 75-76
2013-02-11	-anonymous-	NF	no factor TF: 74-75
2012-09-22	Team_Inspector	NF	no factor TF: 73-74
2011-12-13	Team_Inspector	NF	no factor TF: 72-73
2011-10-17	Grant McCracken	NF	no factor TF: 71-72
2011-07-09	Grant McCracken	NF	no factor TF: 70-71
2010-01-11	Team_Inspector	NF	no factor TF: 69-70
2009-07-07	Sunfish	NF	no factor TF: 68-69