2 234 329 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
15588041616641718839	20	63.8	2009-01-12 21:46:32

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	187 / 640

Estimated T-Level: 26.5 ⓘ

TF below 2^83 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Ed Knapton	FE50A4E2C20572E4	0
Verified (Factored)	1999-02-21	James Johnston	FE50A4E2C20572E4	2047710

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-10	Oliver Kruse	887878ED793C95FE	1	0	1	3
Verified	2017-11-20	kkmrkkblmbrbk	887878ED793C95FE	1	1798406	1	3

History

Date	User	Type	Result
2022-03-09	LordJulius	NF	no factor from 2^1 to 2^60
2017-11-20	kkmrkkblmbrbk	C-PRP	M2234329/15588041616641718839 : 887878ED793C95FE PRP: Verified PRP without proof (not generated)
2017-10-10	Oliver Kruse	C-PRP	M2234329/15588041616641718839 : 887878ED793C95FE PRP: Verified PRP without proof (not generated)
2016-04-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2009-01-12	S36049	F-ECM	Factor: 15588041616641718839
2009-01-11	Sturle Sunde	NF	no factor from 2^60 to 2^61