332 431 591 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

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

No factors below 2⁸¹

TF target 2⁸¹

P-1

B1 =	2965000
B2 =	78572500

Status	Proof	Date	User	Residue	Shift	Type	Base
Unverified	PRP without proof (not generated)	2020-02-22	DRMEDESY	7E79BED492D09E__	150281677	1	3

History

Date	User	Type	Result
2023-03-25	Mark Rose	NF	no factor TF: 80-81
2023-03-22	Mark Rose	NF	no factor TF: 79-80
2023-02-24	Mark Rose	NF	no factor TF: 78-79
2020-02-22	DRMEDESY	C-PRP	7E79BED492D09E__
2019-07-22	DRMEDESY	NF-PM1	B1=2965000, B2=78572500
2019-04-10	alex	NF	no factor TF: 76-77
2019-04-10	alex	NF	no factor TF: 77-78
2019-03-21	alex	NF	no factor TF: 75-76
2016-04-17	srow7	NF	no factor TF: 74-75
2015-02-12	Xebecer	NF	no factor TF: 73-74
2013-05-08	kracker	NF	no factor TF: 72-73
2013-03-01	kracker	NF	no factor TF: 71-72
2012-12-26	kracker	NF	no factor TF: 70-71
2011-04-28	rduerr	NF	no factor TF: 67-70