875 992 553 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: 4 known prime factors

Trial Factored to 2⁷³

TF target 2⁸⁵

Factored

Factor	Digits	Bits	Date
5255955319	10	32.3	2008-05-29 05:36:34
420476425441	12	38.6	2008-05-29 05:36:33
25619278205039	14	44.5	2008-05-29 05:36:34
247268756835426511	18	57.8	2015-07-16 11:12:27

History

Date	User	Type	Result
2025-03-01	NStorm	F	Factors: 5255955319,420476425441 / TF: 67-72
2023-07-02	mikr	NF	Factors: 5255955319,420476425441 / TF: 67-73
2015-07-16	TJAOI	F	Factor: 247268756835426511

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