1 983 097 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
1602845283385901237958370938300196972663	40	130.2	2022-02-21 20:41:43

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)		Dr. Bill Engel	B363A9B2CCD4BD79	0
Verified (Factored)	1999-01-17	David Allen	B363A9B2CCD4BD79	832378
Verified (Factored)	2015-07-12	MadPoo	B363A9B2CCD4BD79	522824

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-02-22	LordJulius	AB742471F8E7F84A	1	1723278	5	3
Verified	2022-02-22	RichD0	AB742471F8E7F84A	1	779137	5	3

P-1 factors

Date	Factor	B1	B2
2022-02-21	1602845283385901237958370938300196972663	12000000	32849847030

History

Date	User	Type	Result
2022-02-22	Chad Steenerson	CERT	PRP Certification Proof certified good
2022-02-22	RichD0	C-PRP	M1983097/1602845283385901237958370938300196972663 : AB742471F8E7F84A PRP proof power = 7 PRP: Verified Proof certified good
2022-02-22	Simon Josefsson	CERT	PRP Certification Proof certified good
2022-02-22	LordJulius	C-PRP	M1983097/1602845283385901237958370938300196972663 : AB742471F8E7F84A PRP proof power = 7 PRP: Verified Proof certified good
2022-02-21	RichD0	F-PM1	Factor: 1602845283385901237958370938300196972663 / (P-1, B1=12000000, B2=32849847030)
2019-05-18	chuenkit	NF	no factor from 2^67 to 2^68
2018-11-26	Joss	NF-PM1	B1=1983097, B2=247887125, E=12
2018-05-21	Joss	NF-PM1	B1=1983097, B2=198309700, E=12
2018-03-11	Joss	NF-PM1	B1=1983097, B2=120000000, E=12
2018-02-14	Joss	NF-PM1	B1=1983097, B2=60000000, E=12
2018-01-27	Joss	NF-PM1	B1=1983097, B2=30000000, E=12
2018-01-15	TJAOI	NF	no factor from 2^66 to 2^67
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	B363A9B2CCD4BD79
2015-03-13	lycorn	NF	no factor from 2^64 to 2^65
2015-03-13	lycorn	NF	no factor from 2^63 to 2^64
2011-07-01	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-01-20	kurly	NF-PM1	B1=1000000, B2=30000000, E=12
2009-12-17	S485122	NF	no factor from 2^60 to 2^61

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