3 000 161 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
2970159391	10	31.5	old

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	61 / 640

Estimated T-Level: 25.5 ⓘ

TF below 2^80 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-27	Oliver Kruse	0D57C857B5D94A88	1	1869391	5	3
Verified	2017-12-10	kkmrkkblmbrbk	0D57C857B5D94A88	1	1066176	5	3

History

Date	User	Type	Result
2022-07-31	Joss	NF-PM1	B1=3000161, B2=3033427320
2022-06-04	Joss	NF-PM1	B1=3000161, B2=352436700
2021-12-30	Joss	NF	no factor from 2^68 to 2^69
2021-12-21	Joss	NF-PM1	B1=3000161, B2=138761700
2021-12-10	Luminescence	NF-PM1	B1=5000000, B2=25812534930
2021-09-20	mikr	NF-PP1	Start=93/29, B1=15000000, B2=1530000000
2021-09-18	Joss	NF-PM1	B1=3000161, B2=30001610, E=12
2021-09-16	Joss	NF-PM1	B1=3000161
2021-03-02	Joss	NF	no factor from 2^67 to 2^68
2021-02-21	Joss	NF	no factor from 2^66 to 2^67
2021-01-15	Joss	NF	no factor from 2^65 to 2^66
2021-01-13	Joss	NF-PM1	B1=3000161
2021-01-13	Joss	NF-PM1	B1=380038, B2=30001610, E=12
2017-12-10	kkmrkkblmbrbk	C-PRP	M3000161/2970159391 : 0D57C857B5D94A88 PRP: Verified PRP without proof (not generated)
2017-10-27	Oliver Kruse	C-PRP	M3000161/2970159391 : 0D57C857B5D94A88 PRP: Verified PRP without proof (not generated)