79 335 587 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with PRP test

TF

No factors below 2⁷⁵

TF target 2⁷⁵

P-1

B1 =	665000
B2 =	12635000

Status	Date	User	Residue	Shift	Type	Base
Verified	2018-05-10	ky0uraku	1939F7877A9393F0	46615090	1	3
Verified	2019-04-13	Rainchill	1939F7877A9393F0	61046605	1	3

History

Date	User	Type	Result
2019-04-13	Rainchill	C-PRP	1939F7877A9393F0 PRP: Verified PRP without proof (not generated)
2018-05-10	ky0uraku	C-PRP	1939F7877A9393F0 PRP: Verified PRP without proof (not generated)
2016-09-07	arnaud	NF-PM1	B1=665000, B2=12635000
2016-08-14	apocalypse	NF	no factor from 2^74 to 2^75
2016-08-14	apocalypse	NF	no factor from 2^73 to 2^74
2016-08-14	apocalypse	NF	no factor from 2^72 to 2^73
2016-02-22	RichD0	NF	no factor from 2^71 to 2^72
2013-01-21	Smok_bmv	NF	no factor from 2^70 to 2^71
2011-03-25	Helmut Zulus	NF	no factor from 2^69 to 2^70
2011-03-18	ASTERIAS	NF	no factor from 2^68 to 2^69
2011-03-03	ASTERIAS	NF	no factor from 2^67 to 2^68
2011-02-09	Superbob	NF	no factor from 2^66 to 2^67
2011-01-30	wuxiao	NF	no factor from 2^65 to 2^66
2009-07-11	Patrik Johansson	NF	no factor from 2^64 to 2^65
2009-05-30	Architects Cubed	NF	no factor from 2^63 to 2^64