is 2 75357011 - 1
has 22684721 decimal digits
takes 208.339 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
Actual275101.542164.0000 %630000126000005.13993.6479 %106.682065.3132 %
Target27450.769963.5135 %5000009000000021.55224.1854 %72.322165.0406 %
Difference+1+50.7722+0.4865 %+130000-77400000-16.4123-0.5375 %+34.3599+0.2726 %

Known prime factors (1 factor, 106.9 bits, 0.00014186% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
7535701115182435624995571542319760622523333106.9041007367159572954103920056
23 × 1439 × 3067 × 76001 × 332263 × 1129853
2016-01-2933226311298531.828e+91.50622.7108

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2016-01-29NickInDaKeysManual testing630000126000006233106.9045.2424.021%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2003-10-31Marzbugv4_computers212630.013
2022-06-27LordJuliusManual testing263264
2010-08-06Anna S.work2642650.050
2010-08-07GrunwalderGIMPcompute-0-32652660.099
2010-08-10RobertN2662670.198
2010-08-14unconnecteddc3g2672680.397
2010-08-18unconnecteddc3g2682690.793
2012-12-07GrunwalderGIMPcompute-0-12692701.587
2013-05-15Per Jessentaggart82702713.173
2015-09-04Judge HaleManual testing2712726.347
2016-01-24TheJudgerManual testing27227588.85


ECM factoring results:
No ECM results for M75357011


Lucas-Lehmer results:
No L-L results for M75357011


PRP results:
No PRP results for M75357011


CERT results:
No CERT results for M75357011


P-1 factor-bounds graph:
B1 = 630000, B2 = 12600000 (P-1 stage 2)
B1 = 630000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
275
272
271
270
269
268
267
266
265
264
263
this exponent TF target: 74
TF double-checked to: 67
250
260
270
280
290
2100
2110
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00