332 193 431 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 =	2575000
B2 =	24462500

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	PRP without proof (not generated)	2022-01-24	wza	51F1A6AC695FC21E	81218142	1	3
Verified	Certified Good Power=9	2025-04-06	Kriesel	51F1A6AC695FC21E	0	1	3

History

Date	User	Type	Result
2025-04-06	Kriesel	CERT	Proof certified good
2025-04-06	Kriesel	C-PRP	Proof Certified Good Proof Power: 9
2022-01-24	wza	C-PRP	51F1A6AC695FC21E
2019-02-15	srow7	NF	no factor TF: 80-81
2016-06-29	Random GPUs	NF	no factor TF: 79-80
2013-03-22	ghost22193	NF-PM1	B1=2575000, B2=24462500
2010-09-28	amphoria	NF	no factor TF: 77-78
2010-09-28	amphoria	NF	no factor TF: 78-79
2010-09-28	amphoria	NF	no factor TF: 76-77
2010-09-28	amphoria	NF	no factor TF: 75-76
2010-01-13	Team_Inspector	NF	no factor TF: 74-75
2008-06-16	George Woltman	NF	no factor TF: 1-74