is 2 110998939 - 1
has 33414011 decimal digits
takes 487.162 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-
PRP7BF0892ED3C6CFBAPRP-tested

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual278551.505365.3846 %12000006120000028.44004.2038 %579.945366.8398 %
Target276137.875164.4737 %70000013000000049.28594.0523 %187.161065.9133 %
Difference+2+413.6302+0.9109 %+500000-68800000-20.8459+0.1516%+392.7843+0.9265 %

Known prime factors:
No known factors for M110998939

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2021-08-27mikrNitron120000061200000--28.445.035%


Trial Factoring results:
57585960616263646566676869707172737475767778
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-05-02Corranrri72632640.018
2010-09-20oilwarzonedotcomb2bwebserver2642650.034
2012-05-27omiXorpLLB03-z800-242652660.067
2013-10-04SMoffatManual testing2662670.135
2014-12-02g0bManual testing2672680.269
2015-07-31Judge HaleManual testing2682690.539
2016-02-01el groccoManual testing2692701.077
2016-02-19Scott Bennetthellas2702712.154
2018-03-14el groccoManual testing2712724.309
2020-03-18tscManual testing2722738.617
2020-08-01atrenchGPU72_TF27327417.23
2020-09-06ktonyGPU72_TF274276103.4
2020-09-17David HruskaManual testing276277137.9
2020-10-31mkazManual testing277278275.8


ECM factoring results:
No ECM results for M110998939


Lucas-Lehmer results:
No L-L results for M110998939


PRP results:
dateuseridcompidcofactorsres64
2021-09-23Ben Deloi-020f1eab467356f3d7BF0892ED3C6CFBA


CERT results:
dateuseridcompid
2021-09-24estranddelta


P-1 factor-bounds graph:
B1 = 1200000, B2 = 61200000 (P-1 stage 2)
B1 = 1200000 (P-1 stage 1)
105
106
107
105
106
107
108
TF factor-bounds graph:
278
277
276
274
273
272
271
270
269
268
267
266
265
264
this exponent TF target: 76
TF double-checked to: 67
250
260
270
280
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00