is 2 110278639 - 1
has 33197179 decimal digits
takes 484.001 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-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27317.345663.0137%----17.345663.0137%
Target276138.775764.4737%7000002600000013.22684.0491%152.002565.9122%
Difference-3-121.4301-1.4600%-700000-26000000-13.2268-4.0491%-134.6569-2.8985%

Known prime factors (1 factor, 72.3 bits, 0.00006552% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
11027863956477334242805694912812272.25825606651820760
23 × 34 × 5 × 7903287599		2020-02-0981790328759910.1362,740.25,118.0

P-1 results:
No P-1 results for M110278639


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-01Donna NoblePH9500263264--0.018--
2010-09-25La GüiraLa_cuarta264265--0.034--
2012-05-26GIMP Philippines265266--0.068--
2014-12-02g0bManual testing266267--0.136--
2015-08-04SMoffatManual testing267268--0.271--
2015-08-13SMoffatManual testing268269--0.542--
2016-02-11sourcebinary.comManual testing269270--1.084--
2016-02-13el groccoManual testing270271--2.168--
2019-01-27Niels_Mache_NextcloudManual testing271272--4.337--
2020-02-10erick84mmManual testing27227372.258221.4641,1033.336


ECM factoring results:
No ECM results for M110278639


Lucas-Lehmer results:
No L-L results for M110278639


PRP results:
No PRP results for M110278639


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
273
272
271
270
269
268
267
266
265
264
this exponent TF target: 76
TF double-checked to: 67.8
250
260
270
280
Last modified: 2023-04-26T21:34:10+00:00