65 007 143 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
6398579774824413017672953873	28	92.4	2013-07-27 12:10:53

P-1 factors

Date	Factors	B1	B2
2013-07-27	6398579774824413017672953873	580000	11310000

History

Date	User	Type	Result
2022-03-30	LordJulius	NF	no factor TF: 60-64
2013-07-27	Youcef L	F-PM1	Factor: 6398579774824413017672953873
2013-07-09	Jerry Hallett	NF	no factor TF: 73-74
2013-07-09	Jerry Hallett	NF	no factor TF: 71-72
2013-07-09	Jerry Hallett	NF	no factor TF: 72-73
2012-06-09	Gnorfe	NF	no factor TF: 70-71
2012-01-02	debrouxl	NF	no factor TF: 69-70
2011-03-09	-anonymous-	NF	no factor TF: 68-69
2011-03-08	PriNT	NF	no factor TF: 67-68
2011-03-04	Eric Landquist	NF	no factor TF: 66-67
2011-02-26	Eric Landquist	NF	no factor TF: 65-66
2009-10-30	Sturle Sunde	NF	no factor TF: 64-65
2004-02-14	1997rj7	NF	no factor TF: 1-60
2003-10-31	Gordon Spence	NF	no factor TF: 1-59
1999-12-23	-anonymous-	NF	no factor TF: 1-53