27 233 237 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 2⁷⁰

Factored

Factor	Digits	Bits	Date
18419111268457712409167	23	74.0	2021-09-12 12:25:01

Status	Date	User	Residue	Shift	Software
Factored	2005-09-22	Gary Grose	EF3FE40CEA0F2BC2	8968577	Windows,Prime95,v23,(aka WZ1)
Factored	2011-12-29	Dubslow	EF3FE40CEA0F2BC2	3971656	Windows 64-bit,Prime95,v26.6,build 3

History

Date	User	Type	Result
2021-09-12	TheJudger	F	Factor: 18419111268457712409167 / TF: 73-74
2021-08-23	TheJudger	NF	no factor TF: 72-73
2021-08-23	TheJudger	NF	no factor TF: 71-72
2021-02-24	mikr	NF	no factor TF: 70-71
2017-03-28	ramgeis	NF	no factor TF: 69-70
2011-12-29	Dubslow	C-LL	EF3FE40CEA0F2BC2
2011-11-05	David Campeau	NF	no factor TF: 68-69
2011-11-02	David Campeau	NF	no factor TF: 67-68
2005-09-22	ggrose	C-LL	EF3FE40CEA0F2BC2
2005-08-16	delta_t	NF	no factor TF: 1-67
2005-05-12	ggrose	NF-PM1	B1=420000
2004-10-18	delta_t	NF	no factor TF: 1-67
2004-07-26	1997rj7	NF	no factor TF: 1-62
2004-04-09	-anonymous-	NF	no factor TF: 1-61
2001-08-18	Net_Force	NF	no factor TF: 1-56