4 659 181 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
234487261369	12	37.8	old
86843750364637313977	20	66.2	2019-03-17 04:18:10

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)	2017-09-20	kkmrkkblmbrbk	75D411BA46C6DFE5	1	0	1	3
Verified (Factored)	2018-04-04	Oliver Kruse	75D411BA46C6DFE5	1	2907084	1	3
Verified	2019-03-18	J.R. Allen	6B3CE75705F06413	2	4650229	5	3
Verified	2019-03-19	marssystems	6B3CE75705F06413	2	1862428	5	3

History

Date	User	Type	Result
2023-08-18	USAFSS	NF-PM1	B1=240000, B2=91991760
2019-03-19	marssystems	C-PRP	M4659181/234487261369/86843750364637313977 : 6B3CE75705F06413 PRP: Verified PRP without proof (not generated)
2019-03-18	J.R. Allen	C-PRP	M4659181/234487261369/86843750364637313977 : 6B3CE75705F06413 PRP: Verified PRP without proof (not generated)
2019-03-17	ATH	F-ECM	Factor: 86843750364637313977 / (ECM curve 3, B1=50000, B2=5000000, Sigma=809474075334767)
2018-04-04	Oliver Kruse	C-PRP	M4659181/234487261369 : 75D411BA46C6DFE5 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M4659181/234487261369 : 75D411BA46C6DFE5 PRP: Verified PRP without proof (not generated)