63 715 877 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 =	560000
B2 =	10080000

Status	Date	User	Residue	Shift
Verified	2014-06-09	charger	19B0786479171901	10244923
Verified	2023-02-03	demfloro	19B0786479171901	3073866

History

Date	User	Type	Result
2023-02-03	demfloro	C-LL	19B0786479171901
2019-10-29	Jon Pace	NF	no factor from 2^74 to 2^75
2016-02-23	Mark Rose	NF	no factor from 2^59 to 2^63
2014-06-09	charger	C-LL	19B0786479171901
2013-10-22	Craig Meyers	NF-PM1	B1=560000, B2=10080000
2013-09-27	ktony	NF	no factor from 2^73 to 2^74
2013-07-31	TheJudger	NF	no factor from 2^72 to 2^73
2013-07-31	TheJudger	NF	no factor from 2^71 to 2^72
2012-09-11	Clown_Royal	NF	no factor from 2^70 to 2^71
2012-01-04	Adam Stinchcombe	NF	no factor from 2^69 to 2^70
2010-05-23	vats09	NF	no factor from 2^68 to 2^69
2010-05-16	-Anonymous-	NF	no factor from 2^67 to 2^68
2010-01-06	Eledill	NF	no factor from 2^66 to 2^67
2009-11-23	Sturle Sunde	NF	no factor from 2^65 to 2^66
2009-09-10	raymondf	NF	no factor from 2^64 to 2^65
2009-02-27	Wojciech Florek	NF	no factor from 2^63 to 2^64