4 482 619 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
254290010633	12	37.9	old
30551161376430889	17	54.8	2014-12-12 11:51:23

ECM

Digits	B1	Curves
25	50000	1 / 280

Estimated T-Level: 20.0 ⓘ

TF below 2^61 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-20	kkmrkkblmbrbk	73D56439E0A30CC3	2	0	1	3
Verified	2018-02-17	Oliver Kruse	73D56439E0A30CC3	2	1075471	1	3

History

Date	User	Type	Result
2023-07-23	USAFSS	NF-PM1	B1=336000, B2=158258100
2019-01-26	Conductor	F-ECM	Factor: 254290010633 / (ECM curve 1, B1=50000, B2=5000000)
2018-02-17	Oliver Kruse	C-PRP	M4482619/254290010633/30551161376430889 : 73D56439E0A30CC3 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M4482619/254290010633/30551161376430889 : 73D56439E0A30CC3 PRP: Verified PRP without proof (not generated)
2014-12-12	TJAOI	F	Factor: 30551161376430889 / TF: 54-55