332 442 211 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 =	2950000
B2 =	70062500

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2022-01-08	Chelle	A91FB6AEC79388D0	288272904	1	3

History

Date	User	Type	Result
2023-03-05	Mark Rose	NF	no factor TF: 80-81
2022-01-29	Oliver Kruse	CERT	Proof certified good
2022-01-08	Chelle	C-PRP	Proof Certified Good Proof Power: 8
2021-05-22	Kriesel	NF	no factor TF: 79-80
2012-09-26	Hanz Meyer	NF-PM1	B1=2950000, B2=70062500
2011-05-28	TheJudger	NF	no factor TF: 78-79
2011-05-28	TheJudger	NF	no factor TF: 76-77
2011-05-28	TheJudger	NF	no factor TF: 77-78
2011-05-28	TheJudger	NF	no factor TF: 75-76
2011-05-28	TheJudger	NF	no factor TF: 74-75
2011-05-28	TheJudger	NF	no factor TF: 73-74
2011-05-21	rduerr	NF	no factor TF: 67-73