332 388 937 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime

No factors below 2⁸¹

TF target 2⁸¹

Assignments

Assigned	User	Work Type	Stage	% Done	Updated	Est Complete	Expired
2026-04-21	captainSticky	CERT	CERT	0.57 %	2026-04-22	2026-04-22

P-1

B1 =	4880000
B2 =	4880000

Status	Proof	Date	User	Residue	Shift	Type	Base
Reliable	Uncertified Power=11	2026-04-21	Alix Axel	89E72EF32DFAFD__	0	1	3

History

Date	User	Type	Result
2026-04-21	Alix Axel	C-PRP	89E72EF32DFAFD__ Proof Uncertified Proof Power: 11
2024-03-09	Grant McCracken	NF	no factor TF: 68-69
2023-11-16	TravisJank	NF	no factor TF: 80-81
2023-11-10	gcardona	NF	no factor TF: 79-80
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-01-11	Mark Rose	NF	no factor TF: 78-79
2021-06-23	Jon Pace	NF	no factor TF: 77-78
2013-02-20	reskin	NF-PM1	B1=4880000
2011-01-16	Tom Duell	NF	no factor TF: 76-77
2011-01-16	Tom Duell	NF	no factor TF: 75-76
2011-01-16	Tom Duell	NF	no factor TF: 73-74
2011-01-16	Tom Duell	NF	no factor TF: 74-75
2011-01-16	Tom Duell	NF	no factor TF: 72-73
2011-01-16	Tom Duell	NF	no factor TF: 71-72
2011-01-09	Grant McCracken	NF	no factor TF: 70-71
2010-07-15	Grant McCracken	NF	no factor TF: 69-70
2010-03-07	Grant McCracken	NF	no factor TF: 68-69