25 525 081 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 2⁷²

TF target 2⁷⁰

Factored

Factor	Digits	Bits	Date
3550950881942835181553	22	71.6	2021-08-28 19:41:40

Status	Date	User	Residue	Shift	Software
Factored	2004-10-03	ParVe-IT	9AEAAE77ED627007	4120756	Linux 32-bit,Prime95,v23,(aka WZ2)
Bad	2011-05-29	oodaira	F1C6923201E75F5A	19306960	Windows,Prime95,v25.11,build 2
Factored	2012-05-12	Dubslow	9AEAAE77ED627007	372357	Linux 64-bit,Prime95,v27.7,build 1

History

Date	User	Type	Result
2024-05-13	James Heinrich	NF	no factor TF: 68-69
2021-08-28	TheJudger	F	Factor: 3550950881942835181553 / TF: 71-72
2021-06-24	mikr	NF	no factor TF: 70-71
2017-03-22	ramgeis	NF	no factor TF: 69-70
2012-05-12	Dubslow	C-LL	9AEAAE77ED627007
2012-01-02	Carsten Kossendey	NF	no factor TF: 68-69
2011-12-08	Carsten Kossendey	NF	no factor TF: 67-68
2011-05-29	oodaira	C-LL	F1C6923201E75F5A
2004-10-03	-anonymous-	C-LL	9AEAAE77ED627007
2004-08-20	-anonymous-	NF-PM1	B1=280000, B2=3500000
2004-06-04	ANONYMOOS	NF	no factor TF: 1-67
2002-02-17	Matt	NF	no factor TF: 1-57
2001-08-12	Net_Force	NF	no factor TF: 1-56