2 915 413 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
594099237981340121	18	59.0	old

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1998-06-14	David Taplin	F73C47E3637D7E83	0
Verified (Factored)	1999-07-27	Stephen Scott	F73C47E3637D7E83	1947636

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-25	Oliver Kruse	A9FBD74EE6B73E97	1	2558775	5	3
Verified	2017-12-09	kkmrkkblmbrbk	A9FBD74EE6B73E97	1	2621268	5	3

History

Date	User	Type	Result
2023-02-07	USAFSS	NF-PM1	B1=360000, B2=282695490
2017-12-09	kkmrkkblmbrbk	C-PRP	M2915413/594099237981340121 : A9FBD74EE6B73E97 PRP: Verified PRP without proof (not generated)
2017-10-25	Oliver Kruse	C-PRP	M2915413/594099237981340121 : A9FBD74EE6B73E97 PRP: Verified PRP without proof (not generated)