2 275 327 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
1242044030101639658905333951	28	90.0	2020-12-10 02:54:08

ECM

Digits	B1	Curves
25	50000	118 / 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)		Wayne Scott	D50B71D6CBB11B5E	0
Verified (Factored)	1999-03-01	John Ibe	D50B71D6CBB11B5E	682311
Verified (Factored)	2018-04-26	kkmrkkblmbrbk	D50B71D6CBB11B5E	174454

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-12-12	Kirill Frolov	3C2488DF71F0E4D9	1	971632	5	3
Verified	2020-12-22	Sébastien BROUCKE	3C2488DF71F0E4D9	1	195475	5	3

History

Date	User	Type	Result
2023-01-28	USAFSS	NF-PM1	B1=288000, B2=308189700
2020-12-22	Sébastien BROUCKE	C-PRP	M2275327/1242044030101639658905333951 : 3C2488DF71F0E4D9 PRP: Verified PRP without proof (not generated)
2020-12-12	curtisc	CERT	PRP Certification Proof certified good
2020-12-12	Kirill Frolov	C-PRP	M2275327/1242044030101639658905333951 : 3C2488DF71F0E4D9 PRP proof power = 7 PRP: Verified Proof certified good
2020-12-10	rextherunt	F-ECM	Factor: 1242044030101639658905333951 / (ECM curve 3, B1=50000, B2=5000000)
2019-04-29	TJAOI	NF	no factor from 2^67 to 2^68
2018-04-26	kkmrkkblmbrbk	C-LL	D50B71D6CBB11B5E
2017-10-04	Joss	NF-PM1	B1=544320, B2=5443200, E=6
2017-01-17	Conductor	NF	no factor from 2^66 to 2^67
2016-03-06	Joss	NF-PM1	B1=272160, B2=4898880, E=6
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2015-10-31	ramgeis	NF	no factor from 2^65 to 2^66
2015-03-10	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-10	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-09-15	-Anonymous-	NF-PM1	B1=133209
2013-12-06	Jerry Hallett	NF	no factor from 2^62 to 2^63
2012-05-06	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-01	markr	NF-PM1	B1=105000, B2=2152500, E=6
2010-11-14	Joss	NF-PM1	B1=30000
2010-11-06	Joss	NF-PM1	B1=15000
2009-01-14	Sturle Sunde	NF	no factor from 2^60 to 2^61

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