33 666 701 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
448400922727401681143025137	27	88.5	2018-09-15 22:52:28

Status	Date	User	Residue	Shift
Verified (Factored)	2004-06-04	Daniel Hermle	5B597E1C2D9A6EB7	17265480
Verified (Factored)	2014-10-21	elmghari	5B597E1C2D9A6EB7	9069202

P-1 factors

Date	Factor	B1	B2
2018-09-15	448400922727401681143025137	460000	9085000

History

Date	User	Type	Result
2018-09-15	Architects Cubed	F-PM1	Factor: 448400922727401681143025137 / (P-1, B1=460000, B2=9085000, E=12)
2018-08-26	Architects Cubed	NF	no factor from 2^71 to 2^72
2014-10-21	elmghari	C-LL	5B597E1C2D9A6EB7
2014-04-14	Andrew B	NF	no factor from 2^70 to 2^71
2013-01-02	MikeBerlin	NF	no factor from 2^69 to 2^70
2013-01-02	MikeBerlin	NF	no factor from 2^68 to 2^69