66 656 749 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 2⁷⁴

TF target 2⁷⁴

Factored

Factor	Digits	Bits	Date
355055780099422618529	21	68.3	2014-05-10 05:30:53

P-1 factors

Date	Factors	B1	B2
2014-05-10	355055780099422618529	600000	0

History

Date	User	Type	Result
2022-03-30	LordJulius	NF	no factor TF: 67-68
2014-05-10	Nesowa	F-PM1	Factor: 355055780099422618529 / B1=600000
2014-05-04	blip	NF	no factor TF: 73-74
2014-03-23	TheJudger	NF	no factor TF: 72-73
2014-03-23	TheJudger	NF	no factor TF: 71-72
2012-09-19	Bold_Seeker	NF	no factor TF: 70-71
2012-02-17	-anonymous-	NF	no factor TF: 69-70
2010-06-10	sannerud.com	NF	no factor TF: 68-69
2010-02-14	Todd Walke	NF	no factor TF: 66-67
2010-02-12	Killa	NF	no factor TF: 65-66
2010-02-10	Ashish Sadanandan	NF	no factor TF: 64-65
2009-06-20	1997rj7	NF	no factor TF: 1-64