1 296 833 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
7780999	7	22.9	old
18155663	8	24.1	2008-07-15 09:57:51
80403647	8	26.3	2008-07-15 09:57:51
236023607	9	27.8	2008-07-15 09:57:51
27586231577	11	34.7	2008-07-15 09:57:51
67010572200784967	17	55.9	2015-02-21 11:20:07
430026451287202231245209	24	78.5	2018-04-26 14:26:12

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)	2017-09-30	alpertron	61CFAA845B71BF0D	6	0	1	3
Verified (Factored)	2017-10-18	Oliver Kruse	20E355F271DDE0CF	6	704937	5	3
Verified (Factored)	2017-10-22	kkmrkkblmbrbk	61CFAA845B71BF0D	6	195666	1	3
Verified (Factored)	2017-11-04	kkmrkkblmbrbk	20E355F271DDE0CF	6	814328	5	3
Verified	2018-05-01	-Anonymous-	20E355F271DDE0CF	7	1042490	5	3

History

Date	User	Type	Result
2024-03-20	nordi	NF-PM1	B1=1000000000, B2=20025377542170
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
2022-02-22	nordi	NF-PM1	B1=1000000000
2018-05-01	-Anonymous-	C-PRP	M1296833/7780999/18155663/236023607/27586231577/80403647/67010572200784967/430026451287202231245209 : 20E355F271DDE0CF PRP: Verified PRP without proof (not generated)
2018-04-26	Chang Chia-Tche	F-ECM	Factor: 430026451287202231245209 / (ECM curve 1, B1=50000, B2=5000000)
2017-11-04	kkmrkkblmbrbk	C-PRP	M1296833/7780999/18155663/80403647/236023607/27586231577/67010572200784967 : 20E355F271DDE0CF PRP: Verified PRP without proof (not generated)
2017-10-22	kkmrkkblmbrbk	C-PRP	M1296833/7780999/18155663/236023607/27586231577/80403647/67010572200784967 : 61CFAA845B71BF0D PRP: Verified PRP without proof (not generated)
2017-10-18	Oliver Kruse	C-PRP	M1296833/7780999/18155663/236023607/27586231577/80403647/67010572200784967 : 20E355F271DDE0CF PRP: Verified PRP without proof (not generated)
2017-09-30	alpertron	C-PRP	M1296833/18155663/236023607/27586231577/67010572200784967/7780999/80403647 : 61CFAA845B71BF0D PRP: Verified PRP without proof (not generated)
2017-09-30	Oliver Kruse	C-PRP	M1296833/7780999/18155663/236023607/27586231577/80403647/67010572200784967 : 61CFAA845B71BF0D PRP without proof (not generated)
2015-02-21	TJAOI	F	Factor: 67010572200784967 / TF: 55-56
2008-07-15	J Feitsma	F	Factor: 80403647
2008-07-15	J Feitsma	F	Factor: 27586231577
2008-07-15	J Feitsma	F	Factor: 236023607
2008-07-15	J Feitsma	F	Factor: 18155663

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