3 192 491 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
43679661863	11	35.3	old
2325052885409	13	41.1	2008-09-30 14:46:47
41365871143955437463	20	65.2	2018-07-04 08:58:50

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)	2017-11-01	Oliver Kruse	F22D17EC44868F66	2	382751	5	3
Verified (Factored)	2017-12-13	kkmrkkblmbrbk	F22D17EC44868F66	2	1025256	5	3
Verified	2018-07-04	_p95holder_	F22D17EC44868F66	3	2455869	5	3

History

Date	User	Type	Result
2022-10-07	Joss	NF-PM1	B1=1200000, B2=451528350
2022-09-03	Joss	NF-PM1	B1=1200000, B2=236513550
2022-04-02	LordJulius	NF	no factor from 2^66 to 2^67
2022-01-06	Joss	NF-PM1	B1=1150000, B2=116447100
2021-11-19	Joss	NF	no factor from 2^68 to 2^69
2021-09-13	Joss	NF	no factor from 2^67 to 2^68
2020-05-30	Joss	NF-PM1	B1=319249, B2=3192491, E=6
2018-07-04	_p95holder_	C-PRP	M3192491/43679661863/2325052885409/41365871143955437463 : F22D17EC44868F66 PRP: Verified PRP without proof (not generated)
2018-07-04	TJAOI	F	Factor: 41365871143955437463 / TF: 65-66
2017-12-13	kkmrkkblmbrbk	C-PRP	M3192491/43679661863/2325052885409 : F22D17EC44868F66 PRP: Verified PRP without proof (not generated)
2017-11-01	Oliver Kruse	C-PRP	M3192491/43679661863/2325052885409 : F22D17EC44868F66 PRP: Verified PRP without proof (not generated)
2008-09-30	markr	F	Factor: 2325052885409