70 000 409 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: 1 known prime factor

Factored

Factor	Digits	Bits	Date
2511399497468561121334254073	28	91.0	2019-11-12 02:33:01

Status	Date	User	Residue	Shift
Verified (Factored)	2015-03-24	IIRyskII	61A062A55D6F0586	45582633
Verified (Factored)	2017-05-18	AirSquirrels	61A062A55D6F0586	0

P-1 factors

Date	Factor	B1	B2
2019-11-12	2511399497468561121334254073	2000000	45000000

History

Date	User	Type	Result
2024-07-18	Joe S.	NF	no factor from 2^72 to 2^73
2019-11-12	mikr	F-PM1	Factor: 2511399497468561121334254073 / (P-1, B1=2000000, B2=45000000, E=6)
2019-10-29	mikr	NF	no factor from 2^75 to 2^76
2017-05-18	AirSquirrels	C-LL	61A062A55D6F0586
2016-05-07	monst	NF	no factor from 2^74 to 2^75
2015-03-24	IIRyskII	C-LL	61A062A55D6F0586
2014-07-11	Chuck	NF	no factor from 2^73 to 2^74
2014-05-04	Architects Cubed	NF	no factor from 2^72 to 2^73
2014-04-27	bayanne	NF	no factor from 2^71 to 2^72
2010-12-12	timbit	NF-PM1	B1=815000, B2=23023750
2009-04-11	ahmerali	NF	no factor to 2^71
2009-03-20	timbit	NF	no factor from 2^65 to 2^66
2009-02-23	Rob_Dee	NF	no factor from 2^64 to 2^65