3 606 569 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
56204771297	11	35.7	old
101951065763355688001	21	66.5	2019-01-31 21:16:13

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	kkmrkkblmbrbk	B2F8DB6FD47EC400	1	2061260	5	3
Verified (Factored)	2017-11-26	Oliver Kruse	B2F8DB6FD47EC400	1	1336061	5	3
Verified	2019-02-17	alex	B2F8DB6FD47EC400	2	2771873	5	3

P-1 factors

Date	Factor	B1	B2
2019-01-31	101951065763355688001	7212	0

History

Date	User	Type	Result
2022-05-20	Joss	NF-PM1	B1=100000, B2=130364850
2022-03-27	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
2019-02-17	alex	C-PRP	M3606569/56204771297/101951065763355688001 : B2F8DB6FD47EC400 PRP: Verified PRP without proof (not generated)
2019-01-31	Joss	F-PM1	Factor: 101951065763355688001 / (P-1, B1=7212)
2017-11-26	Oliver Kruse	C-PRP	M3606569/56204771297 : B2F8DB6FD47EC400 PRP: Verified PRP without proof (not generated)
2017-11-10	kkmrkkblmbrbk	C-PRP	M3606569/56204771297 : B2F8DB6FD47EC400 PRP: Verified PRP without proof (not generated)