121 116 253 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: 1 known prime factor

Trial Factored to 2⁶⁹

TF target 2⁷⁷

Factored

Factor	Digits	Bits	Date
286470483607240143641	21	68.0	2013-11-29 02:54:43

History

Date	User	Type	Result
2022-03-23	LordJulius	NF	no factor TF: 1-67
2013-11-29	GrunwalderGIMP	F	Factor: 286470483607240143641 / TF: 66-68
2013-11-29	GrunwalderGIMP	NF	no factor TF: 68-69
2012-08-10	carlos56	NF	no factor TF: 65-66
2010-10-20	Charles A. Morris	NF	no factor TF: 64-65
2010-05-17	sasaki3	NF	no factor TF: 63-64

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