100 521 557 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
329554395421039120379581823	27	88.1	2020-10-21 15:45:51

P-1 factors

Date	Factor	B1	B2
2020-10-21	329554395421039120379581823	840000	0

History

Date	User	Type	Result
2020-10-21	Ben Delo	F-PM1	Factor: 329554395421039120379581823 / (P-1, B1=840000)
2020-09-04	bpot	NF	no factor from 2^75 to 2^76
2020-09-04	bpot	NF	no factor from 2^74 to 2^75
2020-03-18	gcardona	NF	no factor from 2^73 to 2^74
2020-03-13	el grocco	NF	no factor from 2^72 to 2^73
2014-05-27	Phil	NF	no factor from 2^71 to 2^72
2014-05-27	Phil	NF	no factor from 2^70 to 2^71
2014-05-26	Satan	NF	no factor from 2^69 to 2^70
2014-05-22	SMoffat	NF	no factor from 2^68 to 2^69
2014-03-20	Andreas_Truetsch	NF	no factor from 2^67 to 2^68
2011-03-20	Craig Meyers	NF	no factor from 2^66 to 2^67
2011-02-17	Craig Meyers	NF	no factor from 2^65 to 2^66
2010-08-10	oodaira	NF	no factor from 2^64 to 2^65
2010-02-08	1997rj7	NF	no factor from 2^63 to 2^64