9 659 389 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
604030571672955643807	21	69.0	2014-11-19 22:52:27

ECM

Digits	B1	Curves
25	50000	2 / 280

Estimated T-Level: 20.0 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)	2000-05-24	Richard Otter	6381E1193361324E	4204585
Verified (Factored)	2003-08-31	Yi-Chang Chen	6381E1193361324E	960554

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-10-11	mnd9	9D9D47564CA9FA45	1	7873173	5	3
Verified	2020-12-20	kutens	9D9D47564CA9FA45	1	8839219	5	3

History

Date	User	Type	Result
2020-12-20	Jayder	CERT	PRP Certification Proof certified good
2020-12-20	kutens	C-PRP	M9659389/604030571672955643807 : 9D9D47564CA9FA45 PRP proof power = 8 PRP: Verified Proof certified good
2019-10-11	mnd9	C-PRP	M9659389/604030571672955643807 : 9D9D47564CA9FA45 PRP: Verified PRP without proof (not generated)
2014-11-19	JimBa	F-ECM	Factor: 604030571672955643807 / (ECM curve 2, B1=50000, B2=5000000)
2011-11-23	James Heinrich	NF-PM1	B1=170000, B2=3485000, E=6
2011-11-02	James Heinrich	NF	no factor from 2^64 to 2^65