is 2 1836059 - 1
has 552709 decimal digits
takes 0.100 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26716.183568.6567%500000150000000.10155.0706%16.285070.2460%1.5893%
PrimeNet2570.010563.1579%80001500000.00122.8809%0.011764.2193%1.0614%
GPU722610.167365.5738%90001400000.00131.5957%0.168666.1231%0.5493%
Difference+6+16.0162+3.0829%+491000+14860000+0.1002+3.4749%+16.1164+4.1229%+4.1229%

Known prime factors (3 factors, 177.5 bits, 0.00966897% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
183605958753889825.80816
24
-16162.443e-121.259e-62.561e-6
1836059477274188617403689225532375.33712997245421236564
22 × 32 × 59 × 6119230424311
2019-01-045961192304243115,163.526,22548,982
1836059985033370050654592736472376.38326824665494154997
7 × 14241103 × 269086957
2020-10-131424110326908695712,5162.21242.2799

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
1836059280417147005919998249472855861731101.145
1836059578745412852520843189787646318331102.191
1836059470131002451992926296300255604173313137686079146151.720
183605927622024733523120220398006328439226776853849608286
6199
54177.528
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-03-16T12:40:11alpertronManual testing5000001500000012-
skipped known factor: 58753889
--0.101--5.071%


Trial Factoring results:
No TF results for M1836059


ECM factoring results:

Old Calculation Method

Total ECM effort:19.822 GHz-days
Estimated T-Level:24.607
DigitsB1CurvesCompleteFacMiss
2011000258 / 1002.5807.480%
2550000258 / 2800.92139.729%

New Calculation Method

Total ECM effort:19.822 GHz-days
Estimated T-Level:24.607
DigitsB1CompleteFacMiss
20110008.8250.015%
25500000.80044.941%
302500000.04995.172%
3510000000.00299.773%


ECM Summary

B1B2factorcurvesGHz-days
500005000000292.004
50000500000020.138
50000500000010.069
50000660000021917.06
50000675000070.551


Lucas-Lehmer results:
No L-L results for M1836059


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-04T02:59:31Oliver KruseGTX-0
58753889
43CFF17626423B__no
2017-11-06T10:59:14kkmrkkblmbrbkc4.xlarge
58753889
43CFF17626423B__no
2019-01-05T20:14:00GunnarLuRibenboim
58753889
47727418861740368922553
9C5D245E7A3F0CDCno
2019-01-06T16:53:27kkmrkkblmbrbkc5.large
58753889
47727418861740368922553
9C5D245E7A3F0CDCno
2020-10-14T14:15:26mrh.orglanai
58753889
47727418861740368922553
98503337005065459273647
9C5D245E7A3F0CDCno


P-1 factor-bounds graph:
B1 = 500000, B2 = 15000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
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108
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TF factor-bounds graph:
267
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2100
Last modified: 2021-05-14T12:08:42+00:00