3 244 499 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 3 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
7888705113819679	16	52.8	old
10557328564284583	17	53.2	2014-09-11 11:41:10
487686168572838463	18	58.8	2015-09-30 11:19:35

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	2017-11-02	Oliver Kruse	6A78ABEC3F8883C5	3	745155	5	3
Verified	2017-12-13	kkmrkkblmbrbk	6A78ABEC3F8883C5	3	2494915	5	3

History

Date	User	Type	Result
2022-09-07	Joss	NF-PM1	B1=1050000, B2=223284600
2022-04-05	LordJulius	NF	no factor from 2^66 to 2^67
2022-04-05	LordJulius	NF	no factor from 2^65 to 2^66
2022-04-05	LordJulius	NF	no factor from 2^64 to 2^65
2022-04-05	LordJulius	NF	no factor from 2^63 to 2^64
2022-04-05	LordJulius	NF	no factor from 2^62 to 2^63
2022-01-07	Joss	NF-PM1	B1=1050000, B2=116447100
2021-09-11	Joss	NF	no factor from 2^67 to 2^68
2020-05-04	Joss	NF-PM1	B1=324449, B2=3244499, E=6
2017-12-13	kkmrkkblmbrbk	C-PRP	M3244499/7888705113819679/10557328564284583/487686168572838463 : 6A78ABEC3F8883C5 PRP: Verified PRP without proof (not generated)
2017-11-02	Oliver Kruse	C-PRP	M3244499/7888705113819679/10557328564284583/487686168572838463 : 6A78ABEC3F8883C5 PRP: Verified PRP without proof (not generated)
2015-09-30	TJAOI	F	Factor: 487686168572838463 / TF: 58-59
2014-09-11	TJAOI	F	Factor: 10557328564284583 / TF: 53-54