332 237 141 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 =	1564000
B2 =	354419940

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2020-09-20	Albrecht Heeffer	48EAC435E34BF21F	0	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-02-04	Mark Rose	NF-PM1	B1=1564000, B2=354419940
2023-02-01	Mark Rose	NF	no factor TF: 80-81
2023-02-01	Mark Rose	NF	no factor TF: 79-80
2020-09-20	Ben Delo	CERT	Proof certified good
2020-09-20	Albrecht Heeffer	C-PRP	48EAC435E34BF21F Proof Certified Good Proof Power: 8
2020-08-08	el grocco	NF	no factor TF: 78-79
2020-05-18	Team_Inspector	NF	no factor TF: 77-78
2015-10-19	Grant McCracken	NF	no factor TF: 76-77
2012-02-13	SETIKAH	NF	no factor TF: 75-76
2011-09-14	SETIKAH	NF	no factor TF: 74-75
2011-05-13	Christian Geschwentner	NF	no factor TF: 73-74
2011-04-24	Christian Geschwentner	NF	no factor TF: 72-73
2010-10-21	Ethan O'Connor	NF	no factor TF: 71-72
2010-10-21	-anonymous-	NF	no factor TF: 71-72
2010-09-20	Team_Inspector	NF	no factor TF: 70-71
2009-05-04	Team_Inspector	NF	no factor TF: 69-70
2009-01-26	Team_Inspector	NF	no factor TF: 68-69