332 216 407 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 =	2975000
B2 =	83300000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2023-03-07	C. Williamson	C0716BAD4C84DF88	118828261	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-14	Mark Rose	NF	no factor TF: 80-81
2023-03-14	Mark Rose	NF	no factor TF: 79-80
2023-03-08	Kriesel	CERT	Proof certified good
2023-03-07	C. Williamson	C-PRP	C0716BAD4C84DF88 Proof Certified Good Proof Power: 8
2020-08-04	el grocco	NF	no factor TF: 78-79
2016-07-12	aurashift	NF-PM1	B1=2975000, B2=83300000, E=12
2015-06-21	NR	NF	no factor TF: 77-78
2015-06-21	NR	NF	no factor TF: 76-77
2010-11-22	ANONYMOUS	NF	no factor TF: 75-76
2008-12-14	Lt.Cmdr.Data	NF	no factor TF: 74-75
2008-12-07	Lt.Cmdr.Data	NF	no factor TF: 73-74
2008-12-03	Lt.Cmdr.Data	NF	no factor TF: 72-73
2008-12-02	werdwerdus	NF	no factor TF: 71-72
2008-12-01	werdwerdus	NF	no factor TF: 70-71
2008-12-01	werdwerdus	NF	no factor TF: 69-70
2008-12-01	werdwerdus	NF	no factor TF: 68-69