2 301 023 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
5567739533270797417	19	62.3	2010-01-09 13:29:07

ECM

Digits	B1	Curves
25	50000	95 / 280

Estimated T-Level: 21.7 ⓘ

TF below 2^67 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Allan Schrum	E242DC4486D77CAA	0
Verified (Factored)	1999-03-15	Chris Meador	E242DC4486D77CAA	1200378

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-13	kkmrkkblmbrbk	B5953AAA6AF6E558	1	1528227	5	3
Verified	2017-10-30	Oliver Kruse	B5953AAA6AF6E558	1	2206178	5	3

History

Date	User	Type	Result
2021-04-27	Dylan Delgado	NF-PP1	Start=2/7, B1=2000000, B2=146000000
2021-04-05	ViliamF	NF-PM1	B1=5000000, B2=505000000
2018-02-15	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2017-10-30	Oliver Kruse	C-PRP	M2301023/5567739533270797417 : B5953AAA6AF6E558 PRP: Verified PRP without proof (not generated)
2017-10-13	kkmrkkblmbrbk	C-PRP	M2301023/5567739533270797417 : B5953AAA6AF6E558 PRP: Verified PRP without proof (not generated)
2010-01-09	SubPrime	F-ECM	Factor: 5567739533270797417
2009-01-14	Sturle Sunde	NF	no factor from 2^60 to 2^61