58 577 543 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 2⁷³

Factored

Factor	Digits	Bits	Date
44976745801559960359	20	65.3	2012-02-29 10:38:21

History

Date	User	Type	Result
2022-06-27	LordJulius	NF	no factor TF: 60-63
2012-02-29	ADL	F	Factor: 44976745801559960359
2011-10-07	dmaine	NF	no factor TF: 70-71
2011-05-02	Paul Leyland	NF	no factor TF: 69-70
2009-06-06	Maciej Podgórski	NF	no factor TF: 68-69
2008-11-02	KYOJI_KAMEI	NF	no factor TF: 67-68
2008-11-02	KYOJI_KAMEI	NF	no factor TF: 66-67
2008-11-02	KYOJI_KAMEI	NF	no factor TF: 65-66
2008-11-01	KYOJI_KAMEI	NF	no factor TF: 64-65
2008-10-31	KYOJI_KAMEI	NF	no factor TF: 63-64
2003-11-08	1997rj7	NF	no factor TF: 1-60
2003-07-30	-anonymous-	NF	no factor TF: 1-59
2002-10-12	-anonymous-	NF	no factor TF: 1-58
2001-07-17	-anonymous-	NF	no factor TF: 1-57
2000-06-29	-anonymous-	NF	no factor TF: 1-56
2000-06-28	-anonymous-	NF	no factor TF: 1-56
2000-02-09	-anonymous-	NF	no factor TF: 1-54
1999-12-23	-anonymous-	NF	no factor TF: 1-53