56 965 199 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 2⁷⁴

TF target 2⁷³

P-1

B1 =	570000
B2 =	12540000

Status	Date	User	Residue	Shift
Verified	2013-08-06	The Mawn	1B28DE872C000B47	31039869
Verified	2020-07-14	manrus	1B28DE872C000B47	3059853

History

Date	User	Type	Result
2020-07-14	manrus	C-LL	1B28DE872C000B47
2019-02-03	TheJudger	NF	no factor from 2^73 to 2^74
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-01-05	LaurV	NF	no factor from 2^72 to 2^73
2013-08-06	The Mawn	C-LL	1B28DE872C000B47
2012-09-16	TheJudger	NF-PM1	B1=570000, B2=12540000, E=12
2012-06-12	Craig Meyers	NF	no factor from 2^71 to 2^72
2012-01-19	James Heinrich	NF	no factor from 2^70 to 2^71
2011-07-24	Aldo_Grid	NF	no factor from 2^69 to 2^70
2011-07-06	Kelly Lowder	NF	no factor from 2^68 to 2^69
2010-01-18	trif	NF	no factor from 2^67 to 2^68
2008-09-01	Sturle Sunde	NF	no factor from 2^66 to 2^67
2008-08-30	Sturle Sunde	NF	no factor from 2^65 to 2^66
2008-08-29	Sturle Sunde	NF	no factor from 2^64 to 2^65
2008-08-27	Sturle Sunde	NF	no factor from 2^63 to 2^64