1 723 903 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
55157073410620254551	20	65.6	2015-07-03 09:42:46

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)		Jeff Woods	63FA21C47B7D7F3A	0
Verified (Factored)	1999-03-15	Fumitaka Yura	63FA21C47B7D7F3A	15751

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-03	Oliver Kruse	204EBE6D7F4D32C8	1	0	1	3
Verified	2017-11-03	kkmrkkblmbrbk	204EBE6D7F4D32C8	1	1234912	1	3

History

Date	User	Type	Result
2023-04-16	Kevin_9611	NF-PM1	B1=1410000, B2=2964793650
2017-11-03	kkmrkkblmbrbk	C-PRP	M1723903/55157073410620254551 : 204EBE6D7F4D32C8 PRP: Verified PRP without proof (not generated)
2017-10-03	Oliver Kruse	C-PRP	M1723903/55157073410620254551 : 204EBE6D7F4D32C8 PRP: Verified PRP without proof (not generated)
2015-07-03	Chang Chia-Tche	F-ECM	Factor: 55157073410620254551 / (ECM curve 3, B1=50000, B2=5000000)
2015-06-25	Joss	NF-PM1	B1=1173153
2015-06-08	Joss	NF-PM1	B1=1066503
2015-05-26	Joss	NF-PM1	B1=969549
2015-05-22	Joss	NF-PM1	B1=881409
2015-05-07	Joss	NF-PM1	B1=801281
2015-05-03	snme2pm1	NF	no factor from 2^64 to 2^65
2015-05-03	snme2pm1	NF	no factor from 2^63 to 2^64
2015-05-01	Joss	NF-PM1	B1=728438
2015-04-08	Joss	NF-PM1	B1=602016
2015-03-14	Joss	NF-PM1	B1=497535
2015-03-06	Joss	NF-PM1	B1=452305
2015-02-22	Joss	NF-PM1	B1=411187
2015-02-11	Joss	NF-PM1	B1=373807
2015-01-09	Joss	NF-PM1	B1=280848
2014-10-01	Joss	NF-PM1	B1=187232
2014-05-04	Joss	NF-PM1	B1=150000
2014-04-04	Joss	NF-PM1	B1=100000
2011-02-02	Carsten Kossendey	NF-PM1	B1=90000, B2=1507500, E=6
2010-10-27	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-24	Architects Cubed	NF	no factor from 2^60 to 2^61

Username
Password