18 912 689 Exponent Status

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

PrimeNet Exponent Status

M_n

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Details

Factored

Factor	Digits	Bits	Date
14525456146208006866063	23	73.6	2019-05-31 20:47:22

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)	2003-04-27	Sverre Hvammen Johansen	6C03DB11472F99D1	373538
Verified (Factored)	2007-02-20	McChamp	6C03DB11472F99D1	8186200

History

Date	User	Type	Result
2019-05-31	Sergey Nosov	F-ECM	Factor: 14525456146208006866063 / (ECM curve 1, B1=50000, B2=5000000)
2017-09-18	ramgeis	NF	no factor from 2^68 to 2^69
2017-09-18	ramgeis	NF	no factor from 2^67 to 2^68
2014-07-29	Nesowa	NF	no factor from 2^66 to 2^67

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