4 713 727 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
57922277377	11	35.8	old
161746828279	12	37.2	2008-09-08 00:10:42
217371634847638738151	21	67.6	2019-04-19 08:32:13

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	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-11-19	Oliver Kruse	6DF04D264A3DE454	2	3540331	5	3
Verified (Factored)	2018-01-05	kkmrkkblmbrbk	6DF04D264A3DE454	2	1736890	5	3
Verified	2019-04-19	_p95holder_	6DF04D264A3DE454	3	2062791	5	3

History

Date	User	Type	Result
2023-09-14	USAFSS	NF-PM1	B1=240000, B2=91991760
2019-04-19	_p95holder_	C-PRP	M4713727/57922277377/161746828279/217371634847638738151 : 6DF04D264A3DE454 PRP: Verified PRP without proof (not generated)
2019-04-19	MarkS	F-ECM	Factor: 217371634847638738151 / (ECM curve 3, B1=50000, B2=5000000)
2018-01-05	kkmrkkblmbrbk	C-PRP	M4713727/57922277377/161746828279 : 6DF04D264A3DE454 PRP: Verified PRP without proof (not generated)
2017-11-19	Oliver Kruse	C-PRP	M4713727/57922277377/161746828279 : 6DF04D264A3DE454 PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 161746828279