3 512 623 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
843029521	9	29.7	old
13298790679	11	33.6	2008-09-07 19:49:41

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	2017-11-08	Oliver Kruse	71D1A2D8B5F138BA	2	1657062	5	3
Verified	2017-12-17	kkmrkkblmbrbk	71D1A2D8B5F138BA	2	2204542	5	3

History

Date	User	Type	Result
2022-09-09	Joss	NF-PM1	B1=1000000, B2=233218440
2022-04-25	Joss	NF-PM1	B1=1000000, B2=145208700
2022-02-08	Joss	NF	no factor from 2^67 to 2^68
2020-10-12	Joss	NF-PM1	B1=351262, B2=3512623, E=6
2017-12-17	kkmrkkblmbrbk	C-PRP	M3512623/843029521/13298790679 : 71D1A2D8B5F138BA PRP: Verified PRP without proof (not generated)
2017-11-08	Oliver Kruse	C-PRP	M3512623/843029521/13298790679 : 71D1A2D8B5F138BA PRP: Verified PRP without proof (not generated)
2008-09-07	Will Edgington	F	Factor: 13298790679