619 642 019 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: 2 known prime factors

Factored

Factor	Digits	Bits	Date
155239933920988238423	21	67.1	2016-09-30 22:55:49
314873351473275863311	21	68.1	2016-09-30 22:55:50

History

Date	User	Type	Result
2016-09-30	Nipal	F	Factor: 314873351473275863311 / TF: 67-70
2016-09-30	Nipal	F	Factor: 155239933920988238423 / TF: 67-70
2014-03-16	sasaki	NF	no factor from 2^65 to 2^67

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