8 330 639 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 composite.

Trial Factored to 2⁶⁸

TF target 2⁶⁸

Factored

Factor	Digits	Bits	Date
616467287	9	29.2	old
1547766081089	13	40.5	2008-09-08 04:30:32

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-12	irowiki	51CB36D0A6ADAD48	2	3969100	5	3
Verified	PRP without proof (not generated)	2020-04-22	marssystems	51CB36D0A6ADAD48	2	5104651	5	3

History

Date	User	Type	Result
2024-05-10	Stef42	NF-PM1	B1=1025000, B2=1519818300
2020-04-22	marssystems	C-PRP	M8330639/616467287/1547766081089 : 51CB36D0A6ADAD48
2018-10-12	irowiki	C-PRP	M8330639/616467287/1547766081089 : 51CB36D0A6ADAD48
2008-09-08	Will Edgington	F	Factor: 1547766081089

Username
Password