3 326 569 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 2 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
658660663	9	29.3	old
145307188522063	15	47.0	2014-02-22 18:39:04

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	2017-11-04	kkmrkkblmbrbk	E75DA9866A5DBA30	2	1752040	5	3
Verified	2017-11-20	Oliver Kruse	E75DA9866A5DBA30	2	1289601	5	3

History

Date	User	Type	Result
2022-09-10	Joss	NF-PM1	B1=1000000, B2=241175550
2022-04-21	LordJulius	NF	no factor from 2^66 to 2^67
2022-04-21	LordJulius	NF	no factor from 2^65 to 2^66
2022-04-21	LordJulius	NF	no factor from 2^64 to 2^65
2022-04-21	LordJulius	NF	no factor from 2^63 to 2^64
2022-04-21	LordJulius	NF	no factor from 2^62 to 2^63
2022-02-25	Joss	NF-PM1	B1=1000000, B2=134343300
2021-10-08	Joss	NF	no factor from 2^67 to 2^68
2021-03-08	Joss	NF-PM1	B1=332656, B2=6985794, E=6
2021-03-08	Joss	NF-PM1	B1=332656, B2=3659225, E=6
2021-02-10	Joss	NF	no factor from 2^65 to 2^66
2017-11-20	Oliver Kruse	C-PRP	M3326569/658660663/145307188522063 : E75DA9866A5DBA30 PRP: Verified PRP without proof (not generated)
2017-11-04	kkmrkkblmbrbk	C-PRP	M3326569/658660663/145307188522063 : E75DA9866A5DBA30 PRP: Verified PRP without proof (not generated)
2014-02-22	Never Odd Or Even	F	Factor: 145307188522063 / TF: 10-62