71 027 503 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 =	645000
B2 =	12900000

Status	Date	User	Residue	Shift
Verified	2017-02-01	basey	9A8E81D040784A28	55118374
Verified	2023-11-04	Sidi	9A8E81D040784A28	50978670

History

Date	User	Type	Result
2023-11-04	Sidi	C-LL	9A8E81D040784A28
2017-02-01	basey	C-LL	9A8E81D040784A28
2016-06-03	-Anonymous-	NF	no factor from 2^74 to 2^75
2015-01-30	Luigi Morelli	NF-PM1	B1=645000, B2=12900000
2014-06-02	gcardona	NF	no factor from 2^73 to 2^74
2014-06-02	gcardona	NF	no factor from 2^72 to 2^73
2014-06-02	gcardona	NF	no factor from 2^71 to 2^72
2012-12-11	Smok_bmv	NF	no factor from 2^70 to 2^71
2012-05-07	-Anonymous-	NF	no factor from 2^69 to 2^70
2010-05-17	Kevin Brush	NF	no factor from 2^68 to 2^69
2010-05-17	-Anonymous-	NF	no factor from 2^67 to 2^68
2010-05-11	oodaira	NF	no factor from 2^66 to 2^67
2010-05-10	-Anonymous-	NF	no factor from 2^65 to 2^66
2010-05-05	Jens Richter	NF	no factor from 2^64 to 2^65
2008-10-12	Wojciech Florek	NF	no factor to 2^64