5 091 377 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
40731017	8	25.3	old
42730399874695652809	20	65.2	2018-07-26 12:50:34

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	7FDD3BAA1B59F513	1	0	1	3
Verified (Factored)	2018-05-11	Oliver Kruse	7FDD3BAA1B59F513	1	1911624	1	3
Verified	2018-07-31	_p95holder_	3415D747722DFA2B	2	3752337	5	3
Verified	2018-07-31	ATH	3415D747722DFA2B	2	4739931	5	3

History

Date	User	Type	Result
2023-05-11	This -Anonymous-	NF-PM1	B1=50000, B2=1000000
2018-07-31	ATH	C-PRP	M5091377/40731017/42730399874695652809 : 3415D747722DFA2B PRP: Verified PRP without proof (not generated)
2018-07-31	_p95holder_	C-PRP	M5091377/40731017/42730399874695652809 : 3415D747722DFA2B PRP: Verified PRP without proof (not generated)
2018-07-26	TJAOI	F	Factor: 42730399874695652809 / TF: 65-66
2018-05-11	Oliver Kruse	C-PRP	M5091377/40731017 : 7FDD3BAA1B59F513 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M5091377/40731017 : 7FDD3BAA1B59F513 PRP: Verified PRP without proof (not generated)