875 998 153 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: 5 known prime factors

Trial Factored to 2⁷⁷

TF target 2⁸⁵

Factored

Factor	Digits	Bits	Date
47303900263	11	35.5	2008-05-29 05:40:46
41915017301352701257	20	65.2	2018-07-17 10:08:02
328795052957258655073	21	68.2	2025-01-29 08:53:44
1475794299830310123119	22	70.3	2025-03-01 23:28:40
17014579560952088052367	23	73.8	2025-03-01 23:28:40

P-1 factors

Date	Factors	B1	B2
2025-03-02	No new factors discovered	100000	100000

History

Date	User	Type	Result
2025-03-02	NStorm	NF-PM1	B1=100000, B2=1010310
2025-03-02	NStorm	F-PM1	Factors: 47303900263,1475794299830310123119 / B1=100000
2025-03-01	NStorm	NF	no factor TF: 76-77
2025-03-01	NStorm	NF	no factor TF: 75-76
2025-03-01	NStorm	F	Factors: 17014579560952088052367,328795052957258655073,1475794299830310123119 / TF: 67-75
2025-01-29	TJAOI	F	Factor: 328795052957258655073 / TF: 66-69
2018-07-17	TJAOI	F	Factor: 41915017301352701257