63 881 953 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 =	560000
B2 =	10220000

Status	Date	User	Residue	Shift
Verified	2014-01-25	-Anonymous-	995208DB4AB69D06	51054572
Verified	2023-03-06	Sergey Nosov	995208DB4AB69D06	13057885

History

Date	User	Type	Result
2023-03-06	Sergey Nosov	C-LL	995208DB4AB69D06
2021-06-28	GrunwalderGIMP	NF	no factor from 2^75 to 2^76
2021-06-28	GrunwalderGIMP	NF	no factor from 2^74 to 2^75
2016-02-23	Mark Rose	NF	no factor from 2^59 to 2^63
2014-01-25	-Anonymous-	C-LL	995208DB4AB69D06
2013-08-31	garo	NF-PM1	B1=560000, B2=10220000
2013-07-27	kdgehman	NF	no factor from 2^73 to 2^74
2013-07-27	kdgehman	NF	no factor from 2^72 to 2^73
2013-07-27	kdgehman	NF	no factor from 2^71 to 2^72
2012-06-02	Milldang	NF	no factor from 2^70 to 2^71
2012-01-06	Merckos	NF	no factor from 2^69 to 2^70
2009-12-07	-Anonymous-	NF	no factor from 2^68 to 2^69
2009-12-02	-Anonymous-	NF	no factor from 2^67 to 2^68
2009-09-27	-Anonymous-	NF	no factor from 2^66 to 2^67
2009-09-25	sunithaya	NF	no factor from 2^65 to 2^66
2009-03-16	-Anonymous-	NF	no factor from 2^64 to 2^65
2009-03-03	Wojciech Florek	NF	no factor from 2^63 to 2^64