6 950 159 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
13900319	8	23.7	old
166803817	9	27.3	2008-09-08 03:02:28
419678401057	12	38.6	2008-09-08 03:02:36

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-01-26	Oliver Kruse	25B0C1B491DCEF7B	3	5762137	5	3
Verified	2019-02-08	Chang Chia-Tche	25B0C1B491DCEF7B	3	6551468	5	3

History

Date	User	Type	Result
2024-01-02	Stef42	NF-PM1	B1=600000, B2=1280476890
2019-02-08	Chang Chia-Tche	C-PRP	M6950159/13900319/166803817/419678401057 : 25B0C1B491DCEF7B PRP: Verified PRP without proof (not generated)
2018-01-26	Oliver Kruse	C-PRP	M6950159/13900319/166803817/419678401057 : 25B0C1B491DCEF7B PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 419678401057
2008-09-08	Will Edgington	F	Factor: 166803817