350 237 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
25970136025048726407365173680247	32	104.4	2013-05-12 20:17:46

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	298 / 640

Estimated T-Level: 27.3 ⓘ

TF below 2^86 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		David Slowinski	47E1	0
Verified (Factored)		Unknown	47E1	0
Verified (Factored)		Guillermo Ballester Valor	07E16E22FFE5C7E1	0
Verified (Factored)		Eivind Triel	07E16E22FFE5C7E1	273895
Verified (Factored)	2001-12-08	Dennis Pope	07E16E22FFE5C7E1	46059

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-23	Oliver Kruse	606D8C678211DC3D	1	0	1	3
Verified	2017-10-13	Oliver Kruse	606D8C678211DC3D	1	142595	1	3
Verified	2017-12-15	ATH	606D8C678211DC3D	1	76573	1	3
Unverified (Reliable)	2020-04-18	Oliver Kruse	8A0E30989F4E31__	1	149029	5	3

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2020-04-18	Oliver Kruse	C-PRP	M350237/25970136025048726407365173680247 : 8A0E30989F4E31__ PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-12-15	ATH	C-PRP	M350237/25970136025048726407365173680247 : 606D8C678211DC3D PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-10-13	Oliver Kruse	C-PRP	M350237/25970136025048726407365173680247 : 606D8C678211DC3D PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-09-23	Oliver Kruse	C-PRP	M350237/25970136025048726407365173680247 : 606D8C678211DC3D PRP: Unverified (Reliable) PRP without proof (not generated)
2017-09-23	Oliver Kruse	C-PRP	M350237/25970136025048726407365173680247 : 606D8C678211DC3D PRP without proof (not generated)
2013-05-12	SRJ2877	F-ECM	Factor: 25970136025048726407365173680247
2012-02-20	alpertron	NF-PM1	B1=10000000, B2=200000000, E=12
2011-08-14	Joss	NF-PM1	B1=1294822
2009-01-27	Sturle Sunde	NF	no factor from 2^59 to 2^60
2008-12-29	Sturle Sunde	NF	no factor from 2^58 to 2^59