3 117 911 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
63671608794629485321298180852470139537	38	125.6	2023-03-13 02:36:35

ECM

Digits	B1	Curves
25	50000	115 / 280

Estimated T-Level: 22.1 ⓘ

TF below 2^68 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Themos Tsikas	412CC347B5DFF267	0
Verified (Factored)	1999-05-16	Andrew Haveland-Robinson	412CC347B5DFF267	2475854

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2023-03-15	Naegi Makoto	C090BDEDCF3F31CE	1	4036	5	3

P-1 factors

Date	Factor	B1	B2
2023-03-13	63671608794629485321298180852470139537	8900000	22840692420

History

Date	User	Type	Result
2023-03-15	curtisc	CERT	PRP Certification Proof certified good
2023-03-15	Naegi Makoto	C-PRP	M3117911/63671608794629485321298180852470139537 : C090BDEDCF3F31CE PRP proof power = 7 PRP: Verified Proof certified good
2023-03-13	Sid & Andy	F-PM1	Factor: 63671608794629485321298180852470139537 / (P-1, B1=8900000, B2=22840692420)
2022-10-30	Joss	NF-PM1	B1=1000000, B2=265074810
2022-09-27	Joss	NF-PM1	B1=1000000, B2=118249950
2020-11-27	axn	NF	no factor from 2^69 to 2^70
2020-11-27	axn	NF	no factor from 2^68 to 2^69
2019-01-21	TJAOI	NF	no factor from 2^67 to 2^68
2018-10-25	mikr	NF-PM1	B1=3000000, B2=100000000, E=12
2018-07-16	Joss	NF-PM1	B1=670000, B2=4020000
2018-07-15	Joss	NF-PM1	B1=670000, B2=2680000
2017-04-14	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-10-02	Joss	NF-PM1	B1=105000, B2=2551500, E=6
2016-09-29	Squeeky_Squirrel	NF-PM1	B1=195000, B2=5460000, E=12
2015-06-11	Tha	NF	no factor from 2^65 to 2^66
2015-02-07	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-07	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-07	dbaugh	NF	no factor from 2^62 to 2^63
2011-11-18	Grant McCracken	NF	no factor from 2^61 to 2^62
2011-08-26	Squeeky_Squirrel	NF-PM1	B1=105000, B2=2126250, E=6
2009-07-03	Carsten Kossendey	NF-PM1	B1=15000, B2=180000
2009-04-12	S485122	NF	no factor from 2^60 to 2^61

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