71 282 521 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 =	660000
B2 =	13365000

Status	Date	User	Residue	Shift
Unverified	2017-03-11	basey	7358BAFB0CB5C6__	9254303

History

Date	User	Type	Result
2017-03-11	basey	C-LL	7358BAFB0CB5C6__
2016-08-05	-Anonymous-	NF	no factor from 2^74 to 2^75
2014-11-05	gcardona	NF-PM1	B1=660000, B2=13365000, E=6
2014-11-04	Bill Staffen	NF	no factor from 2^71 to 2^74
2012-12-04	Clown_Royal	NF	no factor from 2^70 to 2^71
2012-05-06	Eugene Thorne	NF	no factor from 2^69 to 2^70
2010-06-26	Milldang	NF	no factor from 2^68 to 2^69
2010-06-19	-Anonymous-	NF	no factor from 2^67 to 2^68
2010-06-18	-Anonymous-	NF	no factor from 2^66 to 2^67
2010-06-17	MRH	NF	no factor from 2^65 to 2^66
2010-03-17	Sturle Sunde	NF	no factor from 2^64 to 2^65
2008-10-21	Wojciech Florek	NF	no factor to 2^64