is 2 27764449 - 1
has 8357932 decimal digits
takes 25.701 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
Actual2694.300063.7681%285000344967002.88446.2110%7.184466.0185%2.2503%
PrimeNet2660.531962.1212%13000045000000.49415.2868%1.026064.1238%2.0026%
GPU722708.606464.2857%20000060000000.69263.9157%9.299065.6842%1.3984%
Difference-1-4.3064-0.5176%+85000+28496700+2.1918+2.2953%-2.1145+0.3343%+0.3343%

Known prime factors (4 factors, 186.2 bits, 0.00067052% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
27764449265983421431134.631479
479
-14799.098e-113.630e-56.549e-5
277644495750017387911239.06510355
5 × 19 × 109
2008-09-08191093.274e-93.208e-55.190e-5
2776444920595224037016011650.87137089200
24 × 52 × 92723
2014-06-1125927231.062e-50.00680.0127
2776444934944474431375860491961.60062930250176
26 × 4721 × 208279
2016-05-1247212082790.01410.02120.0284

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
27764449152940929811829331691132373.695
27764449547798815448289530748709432685.502
2776444911842289632074404297105043912889.936
27764449929465086933050511544055630072996.230
27764449200931335591787607882138372675931100.665
27764449719689279769963489980852925656444934112.471
277644493149852713904165923273093823292184991338124.567
277644495344440411320320175436640054902830650453741135.295
2776444919142541699970737241129078635572664323227420745147.102
27764449413822587256971467233577139549695272595484115946151.536
2776444911006994762362398947467398455526051811884338151430
0663737
57186.166
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-05-19T22:33:37masserManual testing28500034496700-
skipped known factor: 26598342143
skipped known factor: 575001738791
skipped known factor: 2059522403701601
skipped known factor: 3494447443137586049
--2.884--6.211%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08T23:36:00Will EdgingtonManual testing??39.065126.36616e-1052.921.31088e-9
2014-06-11T11:26:00TJAOIManual testing??50.871165.21516e-652.921.07388e-5
2016-05-12T15:28:05TJAOIManual testing261262*61.600190.00352.900.006
2022-08-10T19:28:59LordJuliusManual testing2126550.871161.06174e-552.922.18627e-5
2022-08-10T19:28:59LordJuliusManual testing2126534.631119.09782e-1152.921.87337e-10
2022-08-10T19:28:59LordJuliusManual testing2126561.600190.01452.900.029
2022-08-10T19:28:59LordJuliusManual testing2126539.065123.27443e-952.926.74252e-9
2022-08-10T19:28:59LordJuliusManual testing265266--0.269--
2022-08-10T19:28:59LordJuliusManual testing266267--0.538--
2022-08-10T19:28:59LordJuliusManual testing267268--1.077--
2022-08-03T12:34:04masserManual testing267269--3.230--


ECM factoring results:
No ECM results for M27764449


Lucas-Lehmer results:
No L-L results for M27764449


PRP results:
No PRP results for M27764449


P-1 factor-bounds graph:
B1 = 285000, B2 = 34496700 (P-1 stage 2)
B1 = 285000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-08-10T19:28:59+00:00