17 241 661 Exponent Status

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

PrimeNet Exponent Status

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Details

Factored

Factor	Digits	Bits	Date
5893065745750418154847	22	72.3	2017-12-23 09:37:25

ECM

Digits	B1	Curves
25	50000	1 / 280

Estimated T-Level: 20.0 ⓘ

TF below 2^61 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	2003-06-01	Chris Siegert	460F4D1F84062960	28094
Verified (Factored)	2006-05-29	Ars Technica Team Prime Rib	460F4D1F84062960	5530998

History

Date	User	Type	Result
2017-12-23	Sid & Andy	F-ECM	Factor: 5893065745750418154847 / (ECM curve 1, B1=50000, B2=5000000)
2014-09-05	Nesowa	NF	no factor from 2^66 to 2^67
2014-03-07	Nesowa	NF	no factor from 2^65 to 2^66

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