is 2 100747 - 1
has 30328 decimal digits
takes 0.000 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-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual267294.936074.6269%100000000065619158705101,155.027525.4542%1,449.963581.0854%6.4585%
PrimeNet2400.000057.5000%1100180000.00007.9646%0.000060.8850%3.3850%
GPU722440.000061.3636%1200180000.00004.1542%0.000062.9687%1.6050%
Difference+23+294.9360+13.2632%+999998800+6561915852510+1,155.0274+21.3000%+1,449.9634+18.1167%+4.8535%

Known prime factors (1 factor, 23.1 bits, 0.02290868% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1007478865737723.08044
22 × 11
-4111.120e-111.412e-82.623e-8

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-10-31T18:44:45kkmrkkblmbrbkManual testing100000000200000000012-
skipped known factor: 8865737
--0.656--11.730%
2021-12-17T13:47:28Seth_TrManual testing10000000006561915870510-
skipped known factor: 8865737
--1,155--25.454%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2018-11-01T14:43:25J.R. AllenManual testing252257--0.185--
2022-04-13T17:48:11LordJuliusManual testing2125723.08071.11979e-110.0002.32429e-11
2018-11-01T14:43:25J.R. AllenManual testing257258--0.191--
2022-04-13T17:48:11LordJuliusManual testing257258--0.191--
2018-11-01T14:43:25J.R. AllenManual testing258259--0.381--
2022-04-13T17:48:11LordJuliusManual testing258259--0.381--
2018-11-01T14:43:25J.R. AllenManual testing259260--0.762--
2022-04-13T17:48:11LordJuliusManual testing259260--0.762--
2018-11-10T12:31:41GsvManual testing260261--1.525--
2022-04-13T17:48:11LordJuliusManual testing260261--1.525--
2022-04-13T17:48:11LordJuliusManual testing261262--3.049--
2022-10-24T03:36:05LordJuliusManual testing262263--9.74--
2022-10-24T03:36:05LordJuliusManual testing263264--19.49--
2022-10-24T03:36:05LordJuliusManual testing264265--37.09--
2022-10-24T03:36:05LordJuliusManual testing265266--74.17--
2022-10-24T03:36:05LordJuliusManual testing266267--148.3--


ECM factoring results:
Total ECM effort:12.736 GHz-days
Estimated T-Level:30.766
DigitsB1CompleteFacMiss
201100082.9900.000%
255000013.0390.000%
302500001.56121.003%
3510000000.15385.797%
4030000000.01398.726%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002810.652
250000250000005856.791
10000001000000001145.293


Lucas-Lehmer results:
No L-L results for M100747


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-21T20:54:35Oliver KruseOliver-PC
8865737
6238BBD62ED1B3__no
2017-09-21T21:56:42Oliver KruseManual testing
8865737
6238BBD62ED1B3__no
2017-10-13T09:55:35kkmrkkblmbrbkManual testing
8865737
6238BBD62ED1B3__no
2020-04-17T15:25:45Oliver KruseAddPrpType5
8865737
8BC71A5C70E348__no
2022-04-15T06:46:42LordJuliusWhiteBox
8865737
8BC71A5C70E348D4no


P-1 factor-bounds graph:
B1 = 1000000000, B2 = 6561915870510 (P-1 stage 2)
B1 = 1000000000 (P-1 stage 1)
B1 = 100000000, B2 = 2000000000 (P-1 stage 2)
B1 = 100000000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-10-24T03:36:05+00:00