is 2 15133051 - 1
has 4555503 decimal digits
takes 7.590 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L740BE5F117EAD1DFdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27263.195066.6667%18000038250000.27532.5862%63.470367.5287%0.8621%
PrimeNet2650.482163.0769%6500020000000.12394.1482%0.606064.6086%1.5317%
GPU722697.889165.2174%10000026000000.17182.9972%8.060966.2599%1.0425%
Difference+3+55.3059+1.4493%+80000+1225000+0.1035-0.4110%+55.4094+1.2688%-0.1804%

Known prime factors (1 factor, 101.5 bits, 0.00067069% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
15133051357461354891972663402875714416731101.496118106175315200042411433
32 × 19 × 4903 × 237673 × 548567 × 1080451
2022-10-1254856710804519.395e+90.42000.8119

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2002-03-24T00:00:00ANONYMOUSv4_computers1800003825000---0.275--2.586%


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2022-10-12T10:05:40ATHec2-P_110000002900000027P-131101.4962.094


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-12-31T00:00:00Net_Forcev4_computers21257--0.001--
2000-12-31T00:00:00Net_Forcev4_computers21258--0.003--
2001-04-08T00:00:00korvav4_computers21265--0.482--
2016-03-16T02:20:47Mark RoseManual testing265266--0.494--
2014-05-14T07:09:00NesowaManual testing266267--0.988--
2017-01-17T09:28:16Smok_bmvManual testing267268--1.975--
2017-01-18T00:56:08mikrManual testing267268--1.975--
2017-10-11T09:55:19ramgeisManual testing268269--3.950--
2021-06-29T15:25:29lycornManual testing269270--7.901--
2021-09-03T14:46:02SRBaseManual testing270271--15.80--
2021-10-10T11:55:18-Anonymous-Manual testing271272--31.60--


ECM factoring results:
Total ECM effort:0.763 GHz-days
Estimated T-Level:0.192
DigitsB1CompleteFacMiss
20110000.03896.227%
25500000.00499.645%


ECM Summary

B1B2factorcurvesGHz-days
50000500000010.763


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2002-08-10T00:00:00Juan-Carlos Vazquezv4_computers5C567ADEAD678F__7.590
2006-03-01T00:00:00Team Prime Ribv4_computers740BE5F117EAD1DF7.590
2006-06-13T00:00:00ebravickv4_computers740BE5F117EAD1DF7.590


PRP results:
No PRP results for M15133051


P-1 factor-bounds graph:
B1 = 1000000, B2 = 29000000 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
B1 = 180000, B2 = 3825000 (P-1 stage 2)
B1 = 180000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-10-12T10:05:40+00:00