1 341 071 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
2682143	7	21.4	old
24139279	8	24.5	2008-07-15 09:58:26
2159124311	10	31.0	2008-07-15 09:58:26
4355798609	10	32.0	2008-07-15 09:58:26
95819522951	11	36.5	2008-07-15 09:58:27
38396215490928822231217	23	75.0	2018-06-09 05:12:28
8955330855423295505118727	25	82.9	2021-08-20 12:32:01

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	105 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

PRP Cofactor

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-05	Oliver Kruse	487E31485331C4D6	5	0	1	3
Verified (Factored)	2017-10-23	nokno	487E31485331C4D6	1	0	1	3
Verified (Factored)	2017-11-04	kkmrkkblmbrbk	487E31485331C4D6	5	877332	1	3
Verified (Factored)	2018-06-09	ATH	18676F0FD50338C5	6	122599	5	3
Verified (Factored)	2018-06-11	Oliver Kruse	18676F0FD50338C5	6	375005	5	3
Verified	2021-08-20	SRJ2877	18676F0FD50338C5	7	691925	5	3

History

Date	User	Type	Result
2022-12-23	LordJulius	NF	no factor from 2^67 to 2^68
2022-12-23	LordJulius	NF	no factor from 2^66 to 2^67
2022-12-23	LordJulius	NF	no factor from 2^65 to 2^66
2022-12-23	LordJulius	NF	no factor from 2^64 to 2^65
2022-12-23	LordJulius	NF	no factor from 2^63 to 2^64
2022-12-23	LordJulius	NF	no factor from 2^62 to 2^63
2022-12-23	LordJulius	NF	no factor from 2^61 to 2^62
2022-03-30	nordi	NF-PM1	B1=1000000000, B2=25012089312210
2022-02-15	nordi	NF-PM1	B1=1000000000
2021-08-20	ky0uraku	CERT	PRP Certification Proof certified good
2021-08-20	SRJ2877	C-PRP	M1341071/2682143/24139279/2159124311/4355798609/95819522951/38396215490928822231217/8955330855423295505118727 : 18676F0FD50338C5 PRP proof power = 6 PRP: Verified Proof certified good
2021-08-20	TJAOI	F-ECM	Factor: 8955330855423295505118727 / (ECM curve 25, B1=250000, B2=35000000)
2018-06-11	Oliver Kruse	C-PRP	M1341071/2682143/2159124311/24139279/4355798609/95819522951/38396215490928822231217 : 18676F0FD50338C5 PRP: Verified (Factored) PRP without proof (not generated)
2018-06-09	ATH	C-PRP	M1341071/2682143/2159124311/24139279/4355798609/95819522951/38396215490928822231217 : 18676F0FD50338C5 PRP: Verified (Factored) PRP without proof (not generated)
2018-06-09	Chang Chia-Tche	F-ECM	Factor: 38396215490928822231217 / (ECM curve 2, B1=50000, B2=5000000)
2017-11-04	kkmrkkblmbrbk	C-PRP	M1341071/2682143/24139279/2159124311/4355798609/95819522951 : 487E31485331C4D6 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-23	nokno	C-PRP	M1341071/known_factors : 487E31485331C4D6 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M1341071/2682143/2159124311/24139279/4355798609/95819522951 : 487E31485331C4D6 PRP: Verified (Factored) PRP without proof (not generated)
2017-09-30	Oliver Kruse	C-PRP	M1341071/2682143/2159124311/24139279/4355798609/95819522951 : 487E31485331C4D6 PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2008-07-15	J Feitsma	F	Factor: 95819522951
2008-07-15	J Feitsma	F	Factor: 4355798609
2008-07-15	J Feitsma	F	Factor: 24139279
2008-07-15	J Feitsma	F	Factor: 2159124311

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