150 551 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
4935965087	10	32.2	old
194070175367	12	37.5	2008-07-27 10:49:02
1401812888747959	16	50.3	2008-08-26 20:12:32
7680377072172281	16	52.8	2009-03-05 15:10:29
23392831362833159	17	54.4	2014-05-26 11:47:45
4268251650087197984089	22	71.9	2014-05-26 11:47:45
5562700684013319722047	22	72.2	2014-05-26 11:47:45
1080202199627389108439378497609	31	99.8	2014-05-28 18:32:01
2988540056798194432475046963839	31	101.2	2018-09-07 20:31:55

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	1650 / 9201

Estimated T-Level: 40.9 ⓘ

TF below 2^131 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)	2017-09-22	Oliver Kruse	74278BB2D262750B	8	0	1	3
Verified (Factored)	2017-10-11	kkmrkkblmbrbk	74278BB2D262750B	8	48437	1	3
Verified	2018-09-08	ANONYMOUS	26A47A6710F54DBC	9	106348	5	3
Verified	2018-09-08	ANONYMOUS	26A47A6710F54DBC	9	41033	5	3
Verified	2018-09-09	Oliver Kruse	26A47A6710F54DBC	9	111944	5	3

P-1 factors

Date	Factor	B1	B2
2014-05-28	1080202199627389108439378497609	30000000	1800000000

History

Date	User	Type	Result
2022-09-29	LordJulius	NF	no factor from 2^66 to 2^67
2022-09-29	LordJulius	NF	no factor from 2^65 to 2^66
2022-09-29	LordJulius	NF	no factor from 2^64 to 2^65
2022-09-29	LordJulius	NF	no factor from 2^63 to 2^64
2022-09-29	LordJulius	NF	no factor from 2^62 to 2^63
2022-09-29	LordJulius	NF	no factor from 2^61 to 2^62
2022-09-29	LordJulius	NF	no factor from 2^60 to 2^61
2022-09-29	LordJulius	NF	no factor from 2^59 to 2^60
2022-09-29	LordJulius	NF	no factor from 2^58 to 2^59
2021-11-30	Seth_Tr	NF-PM1	B1=1300000000, B2=13053909168300
2021-10-01	nordi	NF-PP1	Start=6/5, B1=500000000, B2=50000000000
2021-07-03	ATH	NF-PP1	Start=2/7, B1=50000000, B2=5000000000
2021-04-16	Seth_Tr	NF-PM1	B1=1300000000, B2=313300000000
2021-02-18	Seth_Tr	NF-PM1	B1=1000000000, B2=100000000000, E=12
2018-09-09	Oliver Kruse	C-PRP	M150551/4935965087/194070175367/1401812888747959/7680377072172281/23392831362833159/5562700684013319722047/4268251650087197984089/1080202199627389108439378497609/2988540056798194432475046963839 : 26A47A6710F54DBC PRP: Verified PRP without proof (small exponent)
2018-09-08	ANONYMOUS	C-PRP	M150551/4935965087/194070175367/1401812888747959/7680377072172281/23392831362833159/4268251650087197984089/5562700684013319722047/1080202199627389108439378497609/2988540056798194432475046963839 : 26A47A6710F54DBC PRP: Verified PRP without proof (small exponent)
2018-09-08	ANONYMOUS	C-PRP	M150551/4935965087/194070175367/1401812888747959/7680377072172281/23392831362833159/4268251650087197984089/5562700684013319722047/1080202199627389108439378497609/2988540056798194432475046963839 : 26A47A6710F54DBC PRP: Verified PRP without proof (small exponent)
2018-09-07	nordi	F-ECM	Factor: 2988540056798194432475046963839 / (ECM curve 86, B1=1000000, B2=100000000)
2017-10-11	kkmrkkblmbrbk	C-PRP	M150551/4935965087/194070175367/1401812888747959/7680377072172281/23392831362833159/5562700684013319722047/4268251650087197984089/1080202199627389108439378497609 : 74278BB2D262750B PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M150551/known_factors : 74278BB2D262750B PRP without proof (not generated)
2016-10-31	kkmrkkblmbrbk	NF-PM1	B1=100000000, B2=2000000000, E=12
2014-05-28	Axon	F-PM1	Factor: 1080202199627389108439378497609
2014-05-26	TJAOI	F-ECM	Factor: 4268251650087197984089
2014-05-26	TJAOI	F-ECM	Factor: 5562700684013319722047
2014-05-26	TJAOI	F	Factor: 23392831362833159
2009-03-05	-Anonymous-	F	Factor: 7680377072172281
2008-08-26	-Anonymous-	F-PM1	Factor: 1401812888747959
2008-07-27	J Feitsma	F	Factor: 194070175367

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