is 2 3650533 - 1
has 1098920 decimal digits
takes 0.383 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP9DF1A448CF24CD9Everified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27065.456468.5714%300000006000000009.298110.3748%74.754571.8321%3.2607%
PrimeNet2600.042163.3333%160003200000.00503.0765%0.047064.4614%1.1280%
GPU722640.975065.6250%220004000000.00652.0363%0.981566.3250%0.7000%
Difference+6+64.4814+2.9464%+29978000+599600000+9.2916+8.3386%+73.7730+5.5071%+5.5071%

Known prime factors (1 factor, 71.0 bits, 0.00194382% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
365053322961264123008778658312270.960314491940259255
32 × 5 × 11 × 635337253049
2021-08-3011635337253049128.625,271.59,845.7

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2009-07-07T04:46:00Carsten Kossendeyleela20000250000---0.005--0.713%
2012-01-29T08:56:00Squeeky_SquirrelP4_2600900001642500---0.027--1.877%
2016-06-13T00:04:28Jocelyn LaroucheManual testing10800032850006---0.043--2.305%
2016-12-29T20:13:45Jocelyn Larouchelow 4M129600129600---0.020--0.775%
2017-01-30T01:30:52Jocelyn Larouchelow 4M167520167520---0.026--0.897%
2017-03-02T20:51:39Jocelyn Larouchelow 4M24122824122806---0.055--2.477%
2020-09-05T14:31:06axnManual testing3000000060000000012---9.298--10.375%
2022-03-04T04:19:05Jocelyn LaroucheManual testing9000090000---0.014--0.621%
2022-03-22T11:09:09Jocelyn LaroucheManual testing100000100000---0.015--0.663%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2016-02-23T16:29:35Mark RoseManual testing21260--0.042--
2009-03-10T06:03:00S485122USB-A260261--0.042--
2011-05-16T12:42:00markrManual testing261262--0.084--
2012-06-05T02:30:00GrunwalderGIMPManual testing21263--0.437--
2016-02-23T16:29:35Mark RoseManual testing262263--0.269--
2015-01-22T10:40:00VictordeHollanderManual testing263264--0.538--
2015-01-22T10:40:00VictordeHollanderManual testing264265--1.024--
2015-10-20T08:54:36ramgeisManual testing265266--2.047--
2016-12-28T15:57:35Gordon SpenceManual testing266267--4.094--
2019-02-13T05:38:53YxinityManual testing267268--8.188--
2020-11-08T02:44:54axnManual testing268269--16.38--
2020-11-17T11:57:39axnManual testing269270--32.75--


ECM factoring results:

Old Calculation Method

Total ECM effort:3.716 GHz-days
Estimated T-Level:1.250
DigitsB1CurvesCompleteFacMiss
201100025 / 1000.25077.782%
255000025 / 2800.08991.444%

New Calculation Method

Total ECM effort:3.716 GHz-days
Estimated T-Level:1.250
DigitsB1CompleteFacMiss
20110000.80644.644%
25500000.07392.971%
302500000.00499.552%


ECM Summary

B1B2factorcurvesGHz-days
500005000000223.270
50000500000030.446


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1999-10-29T00:00:00ANONYMOUSv4_computers27F147BA5F5F05__0.383


PRP results:
dateuseridcompidcofactorsres64PRP
2021-09-06T18:57:37Yizhe Huangdesk
2296126412300877865831
9DF1A448CF24CD9Eno


P-1 factor-bounds graph:
B1 = 30000000, B2 = 600000000 (P-1 stage 2)
B1 = 30000000 (P-1 stage 1)
B1 = 241228, B2 = 2412280 (P-1 stage 2)
B1 = 108000, B2 = 3285000 (P-1 stage 2)
B1 = 241228 (P-1 stage 1)
B1 = 90000, B2 = 1642500 (P-1 stage 2)
B1 = 167520 (P-1 stage 1)
B1 = 129600 (P-1 stage 1)
B1 = 108000 (P-1 stage 1)
B1 = 100000 (P-1 stage 1)
B1 = 90000 (P-1 stage 1)
B1 = 20000, B2 = 250000 (P-1 stage 2)
B1 = 20000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-03-22T11:09:09+00:00