is 2 107472553 - 1
has 32352463 decimal digits
takes 440.787 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
Actual2680.276559.7015%----0.276559.7015%0.0000%
PrimeNet2728.898462.5000%450000220000009.65865.4108%18.557064.5291%2.0291%
GPU72276142.399164.4737%7000002400000011.71233.9769%154.111465.8865%1.4128%
Difference-8-142.1226-4.7722%-700000-24000000-11.7123-3.9769%-153.8349-6.1850%-6.1850%

Known prime factors (1 factor, 67.4 bits, 0.00006267% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1074725531884147150377453536492167.352876571318808
23 × 109571414851
2014-11-0181095714148510.468435,50266,308

P-1 results:
No P-1 results for M107472553


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-27T23:08:00RichardUNKNOWN263264--0.018--
2010-09-07T23:33:00sasaki3mate_ma1264265--0.035--
2012-05-22T03:49:00Richard172.26.180.86265266--0.070--
2013-09-18T13:32:00RobishManual testing266267--0.139--
2014-11-01T23:36:00SMoffatManual testing26726867.352210.192906.10.395


ECM factoring results:
No ECM results for M107472553


Lucas-Lehmer results:
No L-L results for M107472553


PRP results:
No PRP results for M107472553


P-1 factor-bounds graph:
100
101
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
268
267
266
265
264
250
260
270
280
290
2100
Last modified: 2014-11-01T23:36:32+00:00