71 108 491 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 2⁷⁵

TF target 2⁷⁴

P-1

B1 =	655000
B2 =	13755000

Status	Date	User	Residue	Shift
Unverified	2017-02-03	Mikhail E. Golosov	27D19A0B637F56__	48227221

History

Date	User	Type	Result
2017-02-03	Mikhail E. Golosov	C-LL	27D19A0B637F56__
2016-06-13	CacheOut	NF	no factor from 2^74 to 2^75
2014-12-21	TheJudger	NF-PM1	B1=655000, B2=13755000, E=12
2014-11-30	TheJudger	NF	no factor from 2^73 to 2^74
2014-11-30	TheJudger	NF	no factor from 2^72 to 2^73
2014-11-30	TheJudger	NF	no factor from 2^71 to 2^72
2012-11-10	Tropeas	NF	no factor from 2^70 to 2^71
2012-05-03	sikafarmi_rendering_farm	NF	no factor from 2^69 to 2^70
2010-07-20	Bold_Seeker	NF	no factor from 2^68 to 2^69
2010-07-19	Bold_Seeker	NF	no factor from 2^67 to 2^68
2010-03-12	Per Jessen	NF	no factor from 2^66 to 2^67
2010-03-09	Sturle Sunde	NF	no factor from 2^65 to 2^66
2010-03-07	unconnected	NF	no factor from 2^64 to 2^65
2008-10-21	Wojciech Florek	NF	no factor to 2^64