332 243 551 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 =	11000000
B2 =	330000000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=9	2021-09-07	Kriesel	61EF1CA5D688FAAB	0	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2021-09-13	WeHo	CERT	Proof certified good
2021-09-07	Kriesel	C-PRP	61EF1CA5D688FAAB Proof Certified Good Proof Power: 9
2021-07-23	Kriesel	NF	no factor TF: 80-81
2021-07-23	Kriesel	NF	no factor TF: 79-80
2021-07-11	Kriesel	NF-PM1	B1=11000000, B2=330000000
2021-06-29	LOBES	NF	no factor TF: 78-79
2021-06-29	LOBES	NF	no factor TF: 77-78
2015-08-19	srow7	NF	no factor TF: 76-77
2011-03-31	Sebastian Hornbostel	NF	no factor TF: 75-76
2009-09-28	cleel927	NF	no factor TF: 74-75
2009-07-15	frank	NF	no factor TF: 73-74
2009-07-02	frank	NF	no factor TF: 72-73
2009-06-19	frank	NF	no factor TF: 71-72
2009-06-17	frank	NF	no factor TF: 70-71
2009-06-11	Team_Inspector	NF	no factor TF: 69-70
2009-02-09	Team_Inspector	NF	no factor TF: 68-69