is 2 97301 - 1
has 29291 decimal digits
takes 0.000 GHz-days to do one PRP test
Last-known PrimeNet details:
Assigned as ecm on 2022-05-16, 0.0% done, ETC 2022-05-17
0 primality tests remaining
ResidueStatus
L-LF034D719ECA0978Cdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual267305.381474.6269%10000000020000000000.655811.6999%306.037277.5955%2.9686%
PrimeNet2400.000057.5000%1000170000.00007.6373%0.000060.7458%3.2458%
GPU722440.000061.3636%1100150000.00003.8002%0.000062.8319%1.4682%
Difference+23+305.3814+13.2632%+99998900+1999985000+0.6558+7.8997%+306.0372+14.7636%+14.7636%

Known prime factors:
No known factors for M97301

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2001-05-06T00:00:00ANONYMOUSv4_computers10000010000000---0.002--2.347%
2001-08-18T00:00:00Alex Kruppav4_computers1000000100000000---0.021--5.440%
2002-05-25T00:00:00ANONYMOUSv4_computers327683276800---0.001--1.307%
2002-06-02T00:00:00ANONYMOUSv4_computers327683276800---0.001--1.307%
2002-07-20T00:00:00ANONYMOUSv4_computers655366553600---0.001--1.914%
2003-02-02T00:00:00ANONYMOUSv4_computers13107213107200---0.003--2.649%
2003-04-03T00:00:00ANONYMOUSv4_computers26214426214400---0.005--3.500%
2003-05-19T00:00:00ANONYMOUSv4_computers1048576104857600---0.022--5.516%
2003-07-06T00:00:00ANONYMOUSv4_computers2097152209715200---0.043--6.663%
2003-09-14T00:00:00ANONYMOUSv4_computers4194304419430400---0.086--7.895%
2004-01-07T00:00:00ANONYMOUSv4_computers8388608838860800---0.173--9.195%
2004-01-27T00:00:00ANONYMOUSv4_computers167772161677721600---0.346--10.543%
2012-08-29T12:34:00LaurVpinch1000000002000000000---0.656--11.700%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-10-29T00:00:00ANONYMOUSv4_computers252253--0.006--
2000-04-19T00:00:00ANONYMOUSv4_computers21254--0.025--
2000-12-07T00:00:00ANONYMOUSv4_computers21256--0.099--
2002-07-27T00:00:00ANONYMOUSv4_computers21257--0.197--
2016-02-23T04:50:46LaurVManual testing257258--0.197--
2016-02-23T04:50:28LaurVManual testing258259--0.395--
2009-01-05T08:14:00Sturle Sundegollumilla.ifi259260--0.789--
2013-11-23T04:53:00lycornasteroid260261--1.579--
2014-11-13T11:30:00Sid & AndyBuzz261262--3.157--
2016-07-03T12:59:55snme2pm1G1262263--10.09--
2017-02-15T00:16:58snme2pm1G1263264--20.18--
2018-08-19T18:08:09YxinityManual testing264265--38.40--
2018-08-19T15:56:20YxinityYGSMainFrame264265--38.40--
2020-02-09T06:55:38YxinityManual testing265266--76.80--
2020-02-07T17:07:42YxinityYGSMainFrame265266--76.80--


ECM factoring results:

Old Calculation Method

Total ECM effort:129.786 GHz-days
Estimated T-Level:35.601
DigitsB1CurvesCompleteFacMiss
20110001666 / 10016.6600.000%
25500001666 / 2805.9500.258%
302500001666 / 6402.6037.389%
3510000001666 / 15801.05434.827%
403000000565 / 47000.12088.672%

New Calculation Method

Total ECM effort:129.786 GHz-days
Estimated T-Level:35.601
DigitsB1CompleteFacMiss
2011000270.2860.000%
255000058.3620.000%
3025000010.1250.004%
3510000001.41724.244%
4030000000.16584.772%
45110000000.01798.340%
50440000000.00299.849%


ECM Summary

B1B2factorcurvesGHz-days
10000001000000001,10151.11
300000030000000056578.68


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2015-04-11T05:59:00MadPooManual testingF034D719ECA0978C0.000


PRP results:
No PRP results for M97301


P-1 factor-bounds graph:
B1 = 100000000, B2 = 2000000000 (P-1 stage 2)
B1 = 16777216, B2 = 1677721600 (P-1 stage 2)
B1 = 100000000 (P-1 stage 1)
B1 = 8388608, B2 = 838860800 (P-1 stage 2)
B1 = 4194304, B2 = 419430400 (P-1 stage 2)
B1 = 16777216 (P-1 stage 1)
B1 = 2097152, B2 = 209715200 (P-1 stage 2)
B1 = 8388608 (P-1 stage 1)
B1 = 1048576, B2 = 104857600 (P-1 stage 2)
B1 = 1000000, B2 = 100000000 (P-1 stage 2)
B1 = 4194304 (P-1 stage 1)
B1 = 2097152 (P-1 stage 1)
B1 = 262144, B2 = 26214400 (P-1 stage 2)
B1 = 1048576 (P-1 stage 1)
B1 = 1000000 (P-1 stage 1)
B1 = 131072, B2 = 13107200 (P-1 stage 2)
B1 = 100000, B2 = 10000000 (P-1 stage 2)
B1 = 65536, B2 = 6553600 (P-1 stage 2)
B1 = 262144 (P-1 stage 1)
B1 = 32768, B2 = 3276800 (P-1 stage 2)
B1 = 131072 (P-1 stage 1)
B1 = 100000 (P-1 stage 1)
B1 = 65536 (P-1 stage 1)
B1 = 32768 (P-1 stage 1)
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1010
TF factor-bounds graph:
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2100
Last modified: 2022-05-28T01:31:06+00:00