1 934 483 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
612170508868279620251071	24	79.0	2020-01-14 18:24:24

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)		Mischa Kenn	5E0BF71B858D8B45	0
Verified (Factored)	1999-02-07	george brunton	5E0BF71B858D8B45	869944
Verified (Factored)	2015-07-10	MadPoo	5E0BF71B858D8B45	950100

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-01-15	Niels_Mache_Nextcloud	E1BB11D12DB9C52F	1	340934	5	3
Verified	2020-01-18	Alvin Bunk	E1BB11D12DB9C52F	1	1500393	5	3

History

Date	User	Type	Result
2020-01-18	Alvin Bunk	C-PRP	M1934483/612170508868279620251071 : E1BB11D12DB9C52F PRP: Verified PRP without proof (not generated)
2020-01-15	Niels_Mache_Nextcloud	C-PRP	M1934483/612170508868279620251071 : E1BB11D12DB9C52F PRP: Verified PRP without proof (not generated)
2020-01-14	mnd9	F-ECM	Factor: 612170508868279620251071 / (ECM curve 1, B1=50000, B2=5000000, Sigma=1473082934044255)
2019-05-10	chuenkit	NF	no factor from 2^67 to 2^68
2018-03-31	Joss	NF-PM1	B1=1934483, B2=193448300, E=12
2018-01-28	mikr	NF-PM1	B1=8000000, B2=320000000, E=12
2018-01-22	TJAOI	NF	no factor from 2^66 to 2^67
2017-04-05	Joss	NF-PM1	B1=1415608, B2=14156080, E=12
2017-01-21	Joss	NF-PM1	B1=1179674
2017-01-04	Joss	NF-PM1	B1=983062
2016-12-23	Joss	NF-PM1	B1=819219
2016-12-17	Joss	NF-PM1	B1=682683
2016-12-14	Joss	NF-PM1	B1=568903
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^62
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
2015-10-17	Bruno Victal	NF-PM1	B1=500000, B2=15000000, E=12
2015-09-04	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-10	MadPoo	C-LL	5E0BF71B858D8B45
2015-05-14	lycorn	NF	no factor from 2^64 to 2^65
2015-05-14	lycorn	NF	no factor from 2^63 to 2^64
2012-01-26	markr	NF-PM1	B1=275000, B2=6000000, E=12
2011-08-27	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-02-03	S485122	NF	no factor from 2^60 to 2^61

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