2 403 287 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
46277694473	11	35.4	old
2726337400808566019329	22	71.2	2018-07-25 13:51:52

ECM

Digits	B1	Curves
25	50000	66 / 280

Estimated T-Level: 21.2 ⓘ

TF below 2^65 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-12	Oliver Kruse	D8ABCE1C35266050	1	1686120	5	3
Verified (Factored)	2017-11-26	kkmrkkblmbrbk	D8ABCE1C35266050	1	1578193	5	3
Verified	2018-07-30	_p95holder_	D8ABCE1C35266050	2	1434845	5	3

P-1 factors

Date	Factor	B1	B2
2018-07-25	2726337400808566019329	2000000	60000000

History

Date	User	Type	Result
2018-07-30	_p95holder_	C-PRP	M2403287/46277694473/2726337400808566019329 : D8ABCE1C35266050 PRP: Verified PRP without proof (not generated)
2018-07-25	alpertron	F-PM1	Factor: 2726337400808566019329 / (P-1, B1=2000000, B2=60000000, E=12)
2017-11-26	kkmrkkblmbrbk	C-PRP	M2403287/46277694473 : D8ABCE1C35266050 PRP: Verified PRP without proof (not generated)
2017-10-12	Oliver Kruse	C-PRP	M2403287/46277694473 : D8ABCE1C35266050 PRP: Verified PRP without proof (not generated)