60 385 777 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 2⁷³

P-1

B1 =	710000
B2 =	19702500

Status	Date	User	Residue	Shift
Verified	2013-01-24	EratosthenesNG	C1CF0F1D09E8693F	44619061
Verified	2021-01-28	Andrew_and	C1CF0F1D09E8693F	37520034

History

Date	User	Type	Result
2021-01-28	Andrew_and	C-LL	C1CF0F1D09E8693F
2019-08-23	Sid & Andy	NF	no factor from 2^74 to 2^75
2016-03-03	AirSquirrels	NF	no factor from 2^73 to 2^74
2016-02-23	Mark Rose	NF	no factor from 2^60 to 2^63
2013-01-24	EratosthenesNG	C-LL	C1CF0F1D09E8693F
2012-12-09	Kyle Askine	NF	no factor from 2^72 to 2^73
2012-12-06	Kyle Askine	NF	no factor from 2^71 to 2^72
2012-12-06	Kyle Askine	NF	no factor from 2^70 to 2^71
2012-02-04	Al Airone	NF	no factor from 2^69 to 2^70
2011-11-27	David Hruska	NF-PM1	B1=710000, B2=19702500, E=6
2009-09-17	Andrey Kurgannikov	NF	no factor from 2^68 to 2^69
2009-09-11	-Anonymous-	NF	no factor from 2^67 to 2^68
2009-07-08	-Anonymous-	NF	no factor from 2^66 to 2^67
2009-07-04	Helmut Zulus	NF	no factor from 2^65 to 2^66
2009-03-23	-Anonymous-	NF	no factor from 2^64 to 2^65
2009-03-22	-Anonymous-	NF	no factor from 2^63 to 2^64