1 432 271 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
1147429682802891950221841	25	79.9	2016-08-18 12:55:06

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)		Alex and Nick Myrman	1DB	0
Verified (Factored)		Kevin Jaget	7EEBBFA20D5FD9DB	0
Verified (Factored)	2002-10-19	Mark Outhier	7EEBBFA20D5FD9DB	825057
Verified (Factored)	2016-05-02	kkmrkkblmbrbk	7EEBBFA20D5FD9DB	173189

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-30	Oliver Kruse	EDCC94B1E024B64B	1	0	1	3
Verified	2017-10-26	kkmrkkblmbrbk	EDCC94B1E024B64B	1	706627	1	3

P-1 factors

Date	Factor	B1	B2
2016-08-18	1147429682802891950221841	2500000	62500000

History

Date	User	Type	Result
2017-10-26	kkmrkkblmbrbk	C-PRP	M1432271/1147429682802891950221841 : EDCC94B1E024B64B PRP: Verified PRP without proof (not generated)
2017-09-30	Oliver Kruse	C-PRP	M1432271/1147429682802891950221841 : EDCC94B1E024B64B PRP: Verified PRP without proof (not generated)
2016-08-18	Bruno Victal	F-PM1	Factor: 1147429682802891950221841 / (P-1, B1=2500000, B2=62500000, E=12)
2016-05-02	kkmrkkblmbrbk	C-LL	7EEBBFA20D5FD9DB
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^62
2015-10-11	ramgeis	NF	no factor from 2^65 to 2^66
2015-04-13	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2015-04-08	Joss	NF-PM1	B1=768319
2015-03-20	snme2pm1	NF	no factor from 2^64 to 2^65
2015-03-20	snme2pm1	NF	no factor from 2^63 to 2^64
2015-03-17	Joss	NF-PM1	B1=634975
2015-03-10	Joss	NF-PM1	B1=577250
2015-03-02	Joss	NF-PM1	B1=524773
2015-02-25	Joss	NF-PM1	B1=477067
2015-02-12	Joss	NF-PM1	B1=394271
2015-01-29	Joss	NF-PM1	B1=358429
2015-01-27	Joss	NF-PM1	B1=325845
2014-11-12	Joss	NF-PM1	B1=244813
2011-05-07	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2009-08-08	markr	NF-PM1	B1=200000, B2=5000000, E=6
2009-02-15	Sturle Sunde	NF	no factor from 2^60 to 2^61

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