1 424 881 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
101561099758308272751396240881	30	96.4	2018-05-25 20:22:30

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	105 / 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)		Paul and Jean Leyland	9467E221083C735F	0
Verified (Factored)		Cornelius Caesar	9467E221083C735F	0
Verified (Factored)	2015-07-19	MadPoo	9467E221083C735F	329398

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-05-25	ATH	D0A97429A4998CFD	1	949216	5	3
Verified	2018-05-26	Battlemaxx	D0A97429A4998CFD	1	1121520	5	3

P-1 factors

Date	Factor	B1	B2
2018-05-25	101561099758308272751396240881	1424881	142488100

History

Date	User	Type	Result
2018-05-26	Battlemaxx	C-PRP	M1424881/101561099758308272751396240881 : D0A97429A4998CFD PRP: Verified PRP without proof (not generated)
2018-05-25	ATH	C-PRP	M1424881/101561099758308272751396240881 : D0A97429A4998CFD PRP: Verified PRP without proof (not generated)
2018-05-25	Joss	F-PM1	Factor: 101561099758308272751396240881 / (P-1, B1=1424881, B2=142488100, E=12)
2018-04-30	TJAOI	NF	no factor from 2^66 to 2^67
2016-08-27	Bruno Victal	NF-PM1	B1=2500000, B2=62500000, E=12
2016-08-17	Bruno Victal	NF-PM1	B1=2500000, B2=62500000, E=12
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
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
2015-10-02	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-19	MadPoo	C-LL	9467E221083C735F
2015-03-18	snme2pm1	NF	no factor from 2^64 to 2^65
2015-03-18	snme2pm1	NF	no factor from 2^63 to 2^64
2015-03-17	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2015-03-12	Joss	NF-PM1	B1=591968
2015-03-03	Joss	NF-PM1	B1=538153
2015-02-27	Joss	NF-PM1	B1=489230
2015-02-20	Joss	NF-PM1	B1=444755
2015-02-15	Joss	NF-PM1	B1=404323
2015-01-15	Joss	NF-PM1	B1=367567
2014-11-10	Joss	NF-PM1	B1=245045
2011-07-17	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2009-08-01	markr	NF-PM1	B1=200000, B2=5000000, E=6
2009-02-25	Sturle Sunde	NF	no factor from 2^60 to 2^61

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