70 505 249 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 2⁷⁴

TF target 2⁷⁴

Factored

Factor	Digits	Bits	Date
481980406054172909441	21	68.7	2015-01-20 16:47:05

P-1 factors

Date	Factors	B1	B2
2015-01-20	481980406054172909441	645000	13222500

History

Date	User	Type	Result
2015-01-20	apocalypse	F-PM1	Factor: 481980406054172909441 / B1=645000, B2=13222500
2014-11-04	Chuck	NF	no factor TF: 73-74
2014-11-01	Bdot	NF	no factor TF: 72-73
2014-09-25	Mark Rose	NF	no factor TF: 71-72
2013-04-03	SMoffat	NF	no factor TF: 70-71
2012-04-26	sikafarmi_rendering_farm	NF	no factor TF: 69-70
2010-02-26	sannerud.com	NF	no factor TF: 68-69
2010-02-25	sannerud.com	NF	no factor TF: 67-68
2010-02-25	sannerud.com	NF	no factor TF: 66-67
2010-02-25	ITS	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