8 330 771 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
66646169	8	26.0	old
342373761203249	15	48.3	2008-09-08 04:30:32

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-13	irowiki	5C161B5257D5BF4B	2	4006158	5	3
Verified	PRP without proof (not generated)	2020-04-21	Igvan28	5C161B5257D5BF4B	2	1307540	5	3

History

Date	User	Type	Result
2024-05-10	Stef42	NF-PM1	B1=1025000, B2=1519818300
2020-04-21	Igvan28	C-PRP	M8330771/66646169/342373761203249 : 5C161B5257D5BF4B
2018-10-13	irowiki	C-PRP	M8330771/66646169/342373761203249 : 5C161B5257D5BF4B
2008-09-08	Will Edgington	F	Factor: 342373761203249

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