78 001 709 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: 1 known prime factor

Factored

Factor	Digits	Bits	Date
32737259302147894187585037967629998081	38	124.6	2020-02-09 11:40:33

Status	Date	User	Residue	Shift
Verified (Factored)	2015-11-07	Mario Tranquillini	6ED4C5C719916088	73005894

P-1 factors

Date	Factor	B1	B2
2020-02-09	32737259302147894187585037967629998081	2100000	48000000

History

Date	User	Type	Result
2020-02-09	mikr	F-PM1	Factor: 32737259302147894187585037967629998081 / (P-1, B1=2100000, B2=48000000, E=6)
2019-12-16	mikr	NF	no factor from 2^75 to 2^76
2016-04-30	monst	NF	no factor from 2^74 to 2^75
2015-11-07	Mario Tranquillini	C-LL	6ED4C5C719916088
2013-10-26	snme2pm1	NF-PM1	B1=735000, B2=14883750, E=6
2013-10-14	snme2pm1	NF	no factor from 2^73 to 2^74
2013-09-04	snme2pm1	NF	no factor from 2^72 to 2^73
2013-07-28	snme2pm1	NF	no factor from 2^71 to 2^72
2013-01-12	ITS	NF	no factor from 2^70 to 2^71
2011-02-04	MarekB	NF	no factor from 2^69 to 2^70
2011-01-12	Nick	NF	no factor from 2^68 to 2^69
2010-12-29	uzyyaar_dragonfly	NF	no factor from 2^67 to 2^68
2010-12-23	Vyacheslav Maslov	NF	no factor from 2^66 to 2^67
2010-10-18	josibo	NF	no factor from 2^65 to 2^66