2 706 929 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
493002547537890631	18	58.8	old
39218320746422061371551	23	75.1	2018-04-10 21:20:58

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)	2017-10-19	Oliver Kruse	E3829B338C5B8008	1	1577603	5	3
Verified (Factored)	2017-12-04	kkmrkkblmbrbk	E3829B338C5B8008	1	525599	5	3
Verified	2018-04-10	ATH	E3829B338C5B8008	2	516970	5	3

History

Date	User	Type	Result
2022-10-23	USAFSS	NF-PM1	B1=340000, B2=271226340
2018-04-10	ATH	C-PRP	M2706929/493002547537890631/39218320746422061371551 : E3829B338C5B8008 PRP: Verified PRP without proof (not generated)
2018-04-10	ATH	F-ECM	Factor: 39218320746422061371551 / (ECM curve 2, B1=50000, B2=5000000)
2017-12-04	kkmrkkblmbrbk	C-PRP	M2706929/493002547537890631 : E3829B338C5B8008 PRP: Verified PRP without proof (not generated)
2017-10-19	Oliver Kruse	C-PRP	M2706929/493002547537890631 : E3829B338C5B8008 PRP: Verified PRP without proof (not generated)