71 809 301 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 2⁷⁶

TF target 2⁷⁴

P-1

B1 =	705000
B2 =	15510000

Status	Date	User	Residue	Shift
Unverified	2017-04-08	basey	506E253BC04DCC__	63556125

History

Date	User	Type	Result
2020-05-27	-Anonymous-	NF	no factor from 2^75 to 2^76
2017-04-08	basey	C-LL	506E253BC04DCC__
2016-08-23	-Anonymous-	NF	no factor from 2^74 to 2^75
2015-10-18	Greg	NF	no factor from 2^73 to 2^74
2015-05-17	TheJudger	NF-PM1	B1=705000, B2=15510000, E=12
2015-04-23	LingUaan	NF	no factor from 2^72 to 2^73
2015-02-18	srow7	NF	no factor from 2^71 to 2^72
2013-07-02	Le Comte	NF	no factor from 2^70 to 2^71
2012-05-13	oilwarzonedotcom	NF	no factor from 2^69 to 2^70
2010-11-05	sannerud.com	NF	no factor from 2^68 to 2^69
2010-11-05	sannerud.com	NF	no factor from 2^67 to 2^68
2010-09-04	-Anonymous-	NF	no factor from 2^66 to 2^67
2010-09-04	-Anonymous-	NF	no factor from 2^65 to 2^66
2010-07-05	MarekB	NF	no factor from 2^64 to 2^65
2008-10-14	-Anonymous-	NF	no factor to 2^64