73 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 2 known prime factors. Cofactor is PRP (Probable-Prime).

Trial Factored to 2⁶⁸

TF target 2⁴⁴

Factored

Factor	Digits	Bits	Date
439	3	8.8	old
2298041	7	21.1	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Factored	No proof (small exponent)	2018-01-24	_p95holder_	PRP_PRP_PRP_PRP_	2	0	1	3

History

Date	User	Type	Result
2018-01-24	_p95holder_	P-PRP	M73/439/2298041 PRP Cofactor

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