52 021 549 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
4246618133547103397959	22	71.8	2011-01-25 23:55:49

History

Date	User	Type	Result
2011-01-25	Jack The Ripper	F	Factor: 4246618133547103397959
2010-03-21	Sturle Sunde	NF	no factor from 2^68 to 2^69
2009-09-04	Sturle Sunde	NF	no factor from 2^67 to 2^68
2009-02-07	tmorrow	NF	no factor from 2^66 to 2^67
2008-12-06	James Hintz	NF	no factor from 2^65 to 2^66
2008-12-04	Will Edgington	NF	no factor from 2^64 to 2^65
2008-10-12	Derek	NF	no factor to 2^64