7 860 389 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 2⁶⁷

Factored

Factor	Digits	Bits	Date
62883113	8	25.9	old
491117104721	12	38.8	2008-09-08 03:40:51

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-05-23	storm5510	5DA0C77BCCBFE6AD	2	6279430	5	3
Verified	PRP without proof (not generated)	2019-10-26	Oliver Kruse	5DA0C77BCCBFE6AD	2	107334	5	3

History

Date	User	Type	Result
2024-01-31	Stef42	NF-PM1	B1=950000, B2=1968826860
2019-10-26	Oliver Kruse	C-PRP	M7860389/62883113/491117104721 : 5DA0C77BCCBFE6AD
2018-05-23	storm5510	C-PRP	M7860389/62883113/491117104721 : 5DA0C77BCCBFE6AD
2008-09-08	Will Edgington	F	Factor: 491117104721

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