69 117 571 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 2⁷¹

TF target 2⁷⁴

Factored

Factor	Digits	Bits	Date
531806295266636553593	21	68.8	2014-01-30 04:30:44

P-1 factors

Date	Factors	B1	B2
2014-01-30	531806295266636553593	755000	0

History

Date	User	Type	Result
2022-05-21	LordJulius	NF	no factor TF: 63-65
2014-01-30	La Güira	F	Factor: 531806295266636553593
2013-05-02	albin_pouilles	NF	no factor TF: 70-71
2012-03-17	xi	NF	no factor TF: 69-70
2010-04-09	sannerud.com	NF	no factor TF: 68-69
2008-05-28	Sturle Sunde	NF	no factor TF: 67-68
2008-05-27	Sturle Sunde	NF	no factor TF: 66-67
2008-05-25	Sturle Sunde	NF	no factor TF: 65-66
2004-04-09	-anonymous-	NF	no factor TF: 1-63
2004-02-07	-anonymous-	NF	no factor TF: 1-62
2003-11-28	-anonymous-	NF	no factor TF: 1-61
2001-05-27	Joss	NF	no factor TF: 1-57
2000-10-15	Joss	NF	no factor TF: 1-56
2000-10-15	Joss	NF	no factor TF: 1-54