5 797 607 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
309842821160183	15	48.1	old
64475621489386514521313	23	75.8	2021-07-21 03:55:26

ECM

Digits	B1	Curves
25	50000	10 / 280

Estimated T-Level: 20.2 ⓘ

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

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-20	kkmrkkblmbrbk	B012377507BB1309	1	0	1	3
Verified (Factored)	2018-08-13	arnaud	B012377507BB1309	1	4344088	1	3
Verified	2021-07-21	ATH	721D8B7D83449C14	2	4879065	5	3

History

Date	User	Type	Result
2023-05-12	This -Anonymous-	NF-PM1	B1=50000, B2=1000000, E=6
2021-07-21	Simon Josefsson	CERT	PRP Certification Proof certified good
2021-07-21	ATH	C-PRP	M5797607/309842821160183/64475621489386514521313 : 721D8B7D83449C14 PRP proof power = 7 PRP: Verified Proof certified good
2021-07-21	ATH	F-PP1	Start=2/7, B1=500000, B2=50000000, Factor: 64475621489386514521313
2018-08-13	arnaud	C-PRP	M5797607/309842821160183 : B012377507BB1309 PRP: Verified (Factored) PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M5797607/309842821160183 : B012377507BB1309 PRP: Verified (Factored) PRP without proof (not generated)