55 922 969 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

TF

No factors below 2⁷³

TF target 2⁷³

P-1

B1 =	600000
B2 =	14250000

Status	Date	User	Residue	Shift
Bad	2012-01-30	dflowers	93369028AEF8D6F0	46034700
Verified	2013-08-04	McAlister	E9CAECAA1C7BCC2B	23582763
Verified	2016-09-23	AirSquirrels	E9CAECAA1C7BCC2B	0

History

Date	User	Type	Result
2016-09-23	AirSquirrels	C-LL	E9CAECAA1C7BCC2B
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^63
2015-07-28	Mark Rose	NF	no factor from 2^72 to 2^73
2013-08-04	McAlister	C-LL	E9CAECAA1C7BCC2B
2012-06-18	Kyle Askine	NF	no factor from 2^71 to 2^72
2012-01-30	dflowers	C-LL	93369028AEF8D6F0
2011-11-21	dflowers	NF-PM1	B1=600000, B2=14250000, E=6
2011-07-05	kdgehman	NF	no factor from 2^70 to 2^71
2011-07-05	kdgehman	NF	no factor from 2^69 to 2^70
2011-04-11	dsl	NF	no factor from 2^68 to 2^69
2009-11-21	RunSkipJak73	NF	no factor from 2^67 to 2^68
2009-11-19	RunSkipJak73	NF	no factor from 2^66 to 2^67
2009-11-18	RunSkipJak73	NF	no factor from 2^65 to 2^66
2009-04-12	tont65	NF	no factor from 2^64 to 2^65
2009-01-04	1997rj7	NF	no factor from 2^63 to 2^64