2 057 933 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
25434267078222035353	20	64.5	2011-04-17 23:52:29

ECM

Digits	B1	Curves
25	50000	113 / 280

Estimated T-Level: 22.0 ⓘ

TF below 2^68 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Roy Harris	DC7B9FFA5AF031E9	0
Verified (Factored)	1999-04-02	Louis Towles	DC7B9FFA5AF031E9	287979

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-06	Oliver Kruse	09BBD5EB8FA83A6E	1	0	1	3
Verified	2017-11-15	kkmrkkblmbrbk	09BBD5EB8FA83A6E	1	1106547	1	3

History

Date	User	Type	Result
2022-03-09	LordJulius	NF	no factor from 2^1 to 2^60
2017-11-15	kkmrkkblmbrbk	C-PRP	M2057933/25434267078222035353 : 09BBD5EB8FA83A6E PRP: Verified PRP without proof (not generated)
2017-10-06	Oliver Kruse	C-PRP	M2057933/25434267078222035353 : 09BBD5EB8FA83A6E PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2011-04-17	Lupo	F-ECM	Factor: 25434267078222035353
2011-01-22	James Heinrich	NF-PM1	B1=135000, B2=2902500, E=6
2011-01-06	Joss	NF-PM1	B1=50000
2010-12-26	Joss	NF-PM1	B1=30000
2009-06-21	USAFSS	NF-PM1	B1=20000, B2=260000
2009-01-03	Sturle Sunde	NF	no factor from 2^60 to 2^61