3 608 117 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
316013319329	12	38.2	old
39593367971518049863	20	65.1	2018-06-05 13:31:01

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)	2017-11-10	Oliver Kruse	26D25A954E622364	1	2420445	5	3
Verified (Factored)	2017-12-18	kkmrkkblmbrbk	26D25A954E622364	1	239469	5	3
Verified	2018-06-09	_p95holder_	26D25A954E622364	2	756911	5	3

History

Date	User	Type	Result
2022-06-12	LordJulius	NF	no factor from 2^66 to 2^67
2022-05-20	Joss	NF-PM1	B1=100000, B2=130364850
2022-03-26	Joss	NF	no factor from 2^67 to 2^68
2022-03-22	Joss	NF-PM1	B1=100000
2022-03-04	Joss	NF-PM1	B1=90000
2018-06-09	_p95holder_	C-PRP	M3608117/316013319329/39593367971518049863 : 26D25A954E622364 PRP: Verified PRP without proof (not generated)
2018-06-05	TJAOI	F	Factor: 39593367971518049863 / TF: 65-66
2017-12-18	kkmrkkblmbrbk	C-PRP	M3608117/316013319329 : 26D25A954E622364 PRP: Verified PRP without proof (not generated)
2017-11-10	Oliver Kruse	C-PRP	M3608117/316013319329 : 26D25A954E622364 PRP: Verified PRP without proof (not generated)