is 2 100310471 - 1
has 30196461 decimal digits
takes 382.573 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-
PRP5F875DC5831BE9CCverified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276152.566364.4737%840000172200009.58063.7832%162.146865.8177%1.3440%
PrimeNet2729.533762.5000%400000200000008.11755.2011%17.651264.4504%1.9504%
GPU72276152.566364.4737%6500002200000010.02733.8419%162.593665.8386%1.3649%
Difference---+190000-4780000-0.4467-0.0587%-0.4467-0.0208%-0.0208%

Known prime factors:
No known factors for M100310471

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-10-05T05:20:57Ben Deloi-0533e4b7661d0aa4c8400001722000012---9.58--3.783%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-02-14T23:54:001997rj7Manual testing263264--0.020--
2010-08-09T12:15:00BOMC2Q-2667264265--0.037--
2011-02-08T21:19:00Craig MeyersManual testing265266--0.074--
2011-03-14T20:06:00Craig MeyersManual testing266267--0.149--
2013-10-20T17:13:00AdolfNorManual testing267268--0.298--
2014-03-20T02:41:00ANONYMOUS268269--0.596--
2015-01-24T05:39:00TMarshallWin7_64269270--1.192--
2015-01-31T13:17:00TMarshallWin7_64270271--2.384--
2017-03-08T21:30:05mikrManual testing271272--4.768--
2020-02-11T12:25:50el groccoManual testing272273--9.54--
2020-02-27T03:12:52JoDuManual testing273274--19.07--
2020-07-26T01:48:12penluManual testing274275--38.14--
2020-07-26T01:48:12penluManual testing275276--76.28--


ECM factoring results:
No ECM results for M100310471


Lucas-Lehmer results:
No L-L results for M100310471


PRP results:
dateuseridcompidcofactorsres64PRP
2020-10-06T08:51:37Ben Deloi-0533e4b7661d0aa4c5F875DC5831BE9CCno


P-1 factor-bounds graph:
B1 = 840000, B2 = 17220000 (P-1 stage 2)
B1 = 840000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2020-10-06T08:51:37+00:00