1 120 157 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
219666858147881411403681389410064466353	39	127.4	2022-11-10 11:59:16

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 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)		Jack Holt	82B9E1D4652E1FCE	0
Verified (Factored)		Simon Burge	82B9E1D4652E1FCE	0
Verified (Factored)		Ricardo Montiel	82B9E1D4652E1FCE	0
Verified (Factored)	2015-11-11	MadPoo	82B9E1D4652E1FCE	91027

Status	Date	User	Residue	Shift	Type	Base
Verified (Factored)	2020-11-05	Ethan O'Connor	7BAFE2B03DECC04E	195071	1	3

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-11-11	JackBlock	7BAFE2B03DECC04E	1	453969	5	3

P-1 factors

Date	Factor	B1	B2
2022-11-10	219666858147881411403681389410064466353	1120157	12482419950

History

Date	User	Type	Result
2022-11-11	Cosmos95	CERT	PRP Certification Proof certified good
2022-11-11	JackBlock	C-PRP	M1120157/219666858147881411403681389410064466353 : 7BAFE2B03DECC04E PRP proof power = 6 PRP: Verified Proof certified good
2022-11-10	Joss	F-PM1	Factor: 219666858147881411403681389410064466353 / (P-1, B1=1120157, B2=12482419950)
2022-10-19	Wentao Huang	NF-PM1	B1=112000, B2=1709822730
2020-11-05	curtisc	CERT	PRP Certification CERT proof power = 6 Proof certified good
2020-11-05	Ethan O'Connor	C-PRP	7BAFE2B03DECC04E PRP proof power = 6 PRP: Verified (Factored) Proof certified good
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2016-02-12	ramgeis	NF	no factor from 2^70 to 2^71
2016-02-12	ramgeis	NF	no factor from 2^69 to 2^70
2016-02-12	ramgeis	NF	no factor from 2^68 to 2^69
2016-02-12	ramgeis	NF	no factor from 2^67 to 2^68
2016-02-12	ramgeis	NF	no factor from 2^66 to 2^67
2015-11-11	MadPoo	C-LL	82B9E1D4652E1FCE
2015-06-11	omylist	NF	no factor from 2^65 to 2^66
2015-01-03	Matthias Wurtinger	NF	no factor from 2^64 to 2^65
2014-12-23	Matthias Wurtinger	NF	no factor from 2^63 to 2^64
2013-09-26	David Campeau	NF-PM1	B1=3650000, B2=131400000, E=12
2012-10-13	dbaugh	NF	no factor from 2^62 to 2^63
2011-10-14	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2009-02-19	Sturle Sunde	NF	no factor from 2^60 to 2^61

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