332 417 093 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 =	1565000
B2 =	354419940

Status	Proof	Date	User	Residue	Shift	Type	Base
Unverified	PRP without proof (not generated)	2019-09-11	Xebecer	44F5C0A87A1037__	0	4	3

History

Date	User	Type	Result
2023-05-19	Mark Rose	NF-PM1	B1=1565000, B2=354419940
2023-01-08	Mark Rose	NF	no factor TF: 80-81
2019-09-11	Xebecer	C-PRP	44F5C0A87A1037__
2019-06-11	Random GPUs	NF	no factor TF: 79-80
2019-06-11	Random GPUs	NF	no factor TF: 78-79
2019-06-11	Random GPUs	NF	no factor TF: 77-78
2019-06-11	Random GPUs	NF	no factor TF: 76-77
2019-06-11	Random GPUs	NF	no factor TF: 75-76
2016-04-13	srow7	NF	no factor TF: 74-75
2015-02-06	Xebecer	NF	no factor TF: 73-74
2013-04-04	Stef42	NF	no factor TF: 72-73
2013-03-01	kracker	NF	no factor TF: 71-72
2011-04-08	rduerr	NF	no factor TF: 70-71
2011-04-08	rduerr	NF	no factor TF: 69-70
2011-04-08	rduerr	NF	no factor TF: 67-69