332 203 231 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 =	3345000
B2 =	107040000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2026-03-13	ohestnes	620F4A20D4589D32	165683806	1	3

History

Date	User	Type	Result
2026-03-15	Kriesel	CERT	Proof certified good
2026-03-13	ohestnes	C-PRP	Proof Certified Good Proof Power: 8
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2020-09-21	Albrecht Heeffer	NF	no factor TF: 80-81
2020-09-15	Albrecht Heeffer	NF	no factor TF: 79-80
2020-07-31	Team_Inspector	NF	no factor TF: 78-79
2013-01-15	kracker	NF	no factor TF: 77-78
2013-01-15	kracker	NF	no factor TF: 76-77
2013-01-08	davidb_KS	NF-PM1	B1=3345000, B2=107040000, E=6
2011-03-02	Sebastian Hornbostel	NF	no factor TF: 75-76
2009-04-03	Tirpidz	NF	no factor TF: 74-75
2009-03-28	Tirpidz	NF	no factor TF: 73-74
2009-03-25	Tirpidz	NF	no factor TF: 72-73
2009-01-09	erchni	NF	no factor TF: 71-72
2008-11-03	peter	NF	no factor TF: 70-71
2008-11-03	peter	NF	no factor TF: 69-70
2008-11-03	peter	NF	no factor TF: 68-69