3 243 683 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
80131944833	11	36.2	old
28010143373071	14	44.7	2008-09-30 14:46:59
2743860487150217	16	51.3	2014-06-21 11:39:59

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	EF8673A64F513533	3	336273	5	3
Verified	2017-12-13	kkmrkkblmbrbk	EF8673A64F513533	3	910532	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
2022-01-06	Joss	NF-PM1	B1=1150000, B2=116447100
2021-09-11	Joss	NF	no factor from 2^67 to 2^68
2020-05-05	Joss	NF-PM1	B1=324368, B2=3243683, E=6
2017-12-13	kkmrkkblmbrbk	C-PRP	M3243683/80131944833/28010143373071/2743860487150217 : EF8673A64F513533 PRP: Verified PRP without proof (not generated)
2017-11-02	Oliver Kruse	C-PRP	M3243683/80131944833/28010143373071/2743860487150217 : EF8673A64F513533 PRP: Verified PRP without proof (not generated)
2014-06-21	TJAOI	F	Factor: 2743860487150217
2008-09-30	markr	F	Factor: 28010143373071