70 512 983 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: 1 known prime factor

Trial Factored to 2⁷³

TF target 2⁷⁴

Factored

Factor	Digits	Bits	Date
310840519248861754513	21	68.1	2014-11-16 16:48:10

P-1 factors

Date	Factors	B1	B2
2014-11-16	310840519248861754513	685000	0

History

Date	User	Type	Result
2014-11-16	TheJudger	F-PM1	Factor: 310840519248861754513 / B1=685000
2014-11-06	RichD0	NF	no factor TF: 72-73
2014-09-26	srow7	NF	no factor TF: 71-72
2013-07-01	SMoffat	NF	no factor TF: 70-71
2013-04-09	S36049	NF	no factor TF: 69-70
2010-04-27	sannerud.com	NF	no factor TF: 68-69
2010-04-26	sannerud.com	NF	no factor TF: 67-68
2010-04-26	Chris Mills	NF	no factor TF: 66-67
2010-02-22	Aare Vesi	NF	no factor TF: 65-66
2010-02-21	Sturle Sunde	NF	no factor TF: 64-65
2008-11-24	Wojciech Florek	NF	no factor TF: 1-64
2007-09-13	Amperio	NF	no factor TF: 1-63