71 017 601 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 =	635000
B2 =	11430000

Status	Date	User	Residue	Shift
Unverified	2017-01-22	Shnobel	F0CF46E4155953__	21747239

History

Date	User	Type	Result
2017-01-22	Shnobel	C-LL	F0CF46E4155953__
2016-06-07	CacheOut	NF	no factor from 2^74 to 2^75
2014-08-12	AnthonyRais	NF-PM1	B1=635000, B2=11430000
2014-06-03	brilong	NF	no factor from 2^73 to 2^74
2014-06-03	brilong	NF	no factor from 2^72 to 2^73
2014-06-03	brilong	NF	no factor from 2^71 to 2^72
2013-04-09	Brian Jongekryg	NF	no factor from 2^70 to 2^71
2012-11-15	ANONYMOUS	NF	no factor to 2^70
2010-05-27	-Anonymous-	NF	no factor from 2^68 to 2^69
2010-05-16	-Anonymous-	NF	no factor from 2^67 to 2^68
2010-05-11	shbris	NF	no factor from 2^66 to 2^67
2010-03-09	arnaud	NF	no factor from 2^65 to 2^66
2010-03-06	Sturle Sunde	NF	no factor from 2^64 to 2^65
2008-10-12	Wojciech Florek	NF	no factor to 2^64