1 980 101 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
16896534806581135544090405393	29	93.8	2020-07-14 14:07:09

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	107 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Thomas Honold	83D7230B5D741DC6	0
Verified (Factored)	1999-04-02	Eric Daniels	83D7230B5D741DC6	1385991
Verified (Factored)	2015-07-12	MadPoo	83D7230B5D741DC6	1429801

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-07-15	Kirill Frolov	0B85430FCB192846	1	1776089	5	3
Verified	2020-07-17	argusdusty	0B85430FCB192846	1	157845	5	3

History

Date	User	Type	Result
2020-07-17	argusdusty	C-PRP	M1980101/16896534806581135544090405393 : 0B85430FCB192846 PRP: Verified PRP without proof (not generated)
2020-07-15	Kirill Frolov	C-PRP	M1980101/16896534806581135544090405393 : 0B85430FCB192846 PRP: Verified PRP without proof (not generated)
2020-07-14	GAN	F-ECM	Factor: 16896534806581135544090405393 / (ECM curve 3, B1=50000, B2=5000000, Sigma=597583763183458)
2018-11-26	Joss	NF-PM1	B1=1980101, B2=247512625, E=12
2018-06-15	ramgeis	NF	no factor from 2^70 to 2^71
2018-05-27	Joss	NF-PM1	B1=1980101, B2=198010100, E=12
2018-03-06	Joss	NF-PM1	B1=1980101, B2=120000000, E=12
2018-02-27	Yxinity	NF	no factor from 2^69 to 2^70
2018-02-27	Yxinity	NF	no factor from 2^68 to 2^69
2018-02-27	Yxinity	NF	no factor from 2^67 to 2^68
2018-02-27	Yxinity	NF	no factor from 2^66 to 2^67
2018-02-15	Joss	NF-PM1	B1=1980101, B2=60000000, E=12
2018-01-23	Joss	NF-PM1	B1=1980101, B2=30000000, E=12
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^62
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-09-11	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-12	MadPoo	C-LL	83D7230B5D741DC6
2015-03-15	lycorn	NF	no factor from 2^64 to 2^65
2015-03-15	lycorn	NF	no factor from 2^63 to 2^64
2011-08-27	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-01-26	kurly	NF-PM1	B1=1000000, B2=30000000, E=12
2009-12-20	S485122	NF	no factor from 2^60 to 2^61

Username
Password