2 426 269 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
918464129951	12	39.7	old
13491867733597778918059913	26	83.5	2018-07-21 06:23:51

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)	2017-10-13	Oliver Kruse	E83A099EA64D99C0	1	1901042	5	3
Verified (Factored)	2017-11-27	kkmrkkblmbrbk	E83A099EA64D99C0	1	105756	5	3
Verified	2018-07-21	_p95holder_	E83A099EA64D99C0	2	2221148	5	3

P-1 factors

Date	Factor	B1	B2
2018-07-21	13491867733597778918059913	2000000	0

History

Date	User	Type	Result
2022-08-26	USAFSS	NF-PM1	B1=600000, B2=577075590
2018-07-21	_p95holder_	C-PRP	M2426269/918464129951/13491867733597778918059913 : E83A099EA64D99C0 PRP: Verified PRP without proof (not generated)
2018-07-21	alpertron	F-PM1	Factor: 13491867733597778918059913 / (P-1, B1=2000000)
2017-11-27	kkmrkkblmbrbk	C-PRP	M2426269/918464129951 : E83A099EA64D99C0 PRP: Verified PRP without proof (not generated)
2017-10-13	Oliver Kruse	C-PRP	M2426269/918464129951 : E83A099EA64D99C0 PRP: Verified PRP without proof (not generated)