is 2 89184527 - 1
has 26847218 decimal digits
takes 300.667 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
Actual276171.599264.4737%7250007250003.54411.4715%175.143364.9964%0.5228%
PrimeNet2715.360661.9718%360000170000006.19165.4124%11.552164.0301%2.0582%
GPU7227585.798664.0000%600000200000008.09994.0526%93.898565.4589%1.4589%
Difference+1+85.8006+0.4737%+125000-19275000-4.5558-2.5812%+81.2448-0.4625%-0.4625%

Known prime factors (1 factor, 98.3 bits, 0.00011017% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
891845273790427418298009901435129435513098.2582125047665666270731825
52 × 19 × 1021 × 48281 × 161761 × 561047
2018-10-171617615610471.004e+90.89711.6093

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2018-10-17T08:18:00mikrS0577250007250003098.2583.544601.37.0881.471%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-11-08T05:40:00Architects Cubedm1_62264265--0.042--
2013-06-22T09:18:00David CampeauManual testing265266--0.084--
2014-05-27T11:43:00ANONYMOUS266267--0.168--
2014-05-29T03:45:00SMoffatManual testing267268--0.335--
2014-05-31T01:43:00SMoffatManual testing268269--0.670--
2014-06-02T01:10:00SMoffatManual testing269270--1.341--
2014-11-28T02:06:00SMoffatManual testing270271--2.681--
2017-07-05T07:30:12monstManual testing271272--5.363--
2017-08-25T20:03:22ANONYMOUSManual testing272273--10.73--
2017-08-25T20:03:22ANONYMOUSManual testing273274--21.45--
2018-10-01T16:10:07Strolling JellyfishManual testing274275--42.90--
2018-10-01T16:10:07Strolling JellyfishManual testing275276--85.80--


ECM factoring results:
No ECM results for M89184527


Lucas-Lehmer results:
No L-L results for M89184527


PRP results:
No PRP results for M89184527


P-1 factor-bounds graph:
B1 = 725000 (P-1 stage 1)
104
105
106
104
105
106
TF factor-bounds graph:
276
275
274
273
272
271
270
269
268
267
266
265
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260
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2100
Last modified: 2018-10-17T08:18:00+00:00