977 468 483 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: 4 known prime factors

Factored

Factor	Digits	Bits	Date
1266799153969	13	40.2	2008-05-30 06:26:51
1483093379886241	16	50.4	2008-05-30 06:26:50
55532213147371241	17	55.6	2015-02-04 12:22:58
1620840052692104449	19	60.5	2015-12-23 16:58:22

History

Date	User	Type	Result
2023-05-28	mikr	NF	no factor from 2^67 to 2^73
2015-12-23	Conductor	F	Factor: 1620840052692104449 / TF: 1-62
2015-02-04	TJAOI	F	Factor: 55532213147371241 / TF: 55-56

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