4 675 547 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
1330819644799	13	40.3	old
10599249038728601	17	53.2	2014-09-11 11:53:29
552629055880076990761	21	68.9	2019-03-26 08:17:51

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	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-20	kkmrkkblmbrbk	1881C047AA5480DA	2	0	1	3
Verified (Factored)	2018-03-07	Oliver Kruse	1881C047AA5480DA	2	2197308	1	3
Verified	2019-03-27	_p95holder_	D351BD1313059EDB	3	1134743	5	3
Verified	2019-03-27	kkmrkkblmbrbk	D351BD1313059EDB	3	4448943	5	3

History

Date	User	Type	Result
2023-08-29	USAFSS	NF-PM1	B1=240000, B2=91991760
2019-03-27	kkmrkkblmbrbk	C-PRP	M4675547/1330819644799/10599249038728601/552629055880076990761 : D351BD1313059EDB PRP: Verified PRP without proof (not generated)
2019-03-27	_p95holder_	C-PRP	M4675547/1330819644799/10599249038728601/552629055880076990761 : D351BD1313059EDB PRP: Verified PRP without proof (not generated)
2019-03-26	ATH	F-ECM	Factor: 552629055880076990761 / (ECM curve 2, B1=50000, B2=5000000, Sigma=2060769401650114)
2018-03-07	Oliver Kruse	C-PRP	M4675547/1330819644799/10599249038728601 : 1881C047AA5480DA PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M4675547/10599249038728601/1330819644799 : 1881C047AA5480DA PRP: Verified PRP without proof (not generated)
2014-09-11	TJAOI	F	Factor: 10599249038728601 / TF: 53-54