is 2 75909133 - 1
has 22850926 decimal digits
takes 209.866 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
Actual275100.803564.0000%6300006300002.52561.5161%103.329164.5458%0.5458%
PrimeNet2703.147961.4286%320000140000004.27075.5655%7.418563.5753%2.1467%
GPU7227450.400663.5135%500000180000005.82664.1892%56.227265.0420%1.5285%
Difference+1+50.4029+0.4865%+130000-17370000-3.3011-2.6730%+47.1019-0.4962%-0.4962%

Known prime factors (1 factor, 80.3 bits, 0.00010575% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
7590913314609171159833597235449932580.2739622802015031312
24 × 32 × 89 × 733 × 4639 × 220811
2016-03-1346392208113,569.30.06580.0901

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-03-13T21:35:47Jwb52zClay6300006300002580.2732.526419.75.0511.516%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2004-09-16T00:00:00Marzbugv4_computers21263--0.021--
2009-06-01T04:15:00Architects Cubedm1_29263264--0.026--
2010-08-16T17:51:00ANONYMOUS264265--0.049--
2010-08-18T03:15:00TeraTismphenom265266--0.098--
2011-04-04T15:38:00Carsten KossendeyManual testing266267--0.197--
2011-04-04T15:38:00Carsten KossendeyManual testing267268--0.394--
2011-09-01T16:02:00ahmeraliv4_computers21272--12.60--
2011-09-22T00:00:00ahmeraliv4_computers21272--12.60--
2016-03-11T09:55:07Brian BeuningManual testing272273--12.60--
2016-03-11T09:55:07Brian BeuningManual testing273274--25.20--
2016-03-11T09:55:07Brian BeuningManual testing274275--50.40--


ECM factoring results:
No ECM results for M75909133


Lucas-Lehmer results:
No L-L results for M75909133


PRP results:
No PRP results for M75909133


P-1 factor-bounds graph:
B1 = 630000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
TF factor-bounds graph:
275
274
273
272
268
267
266
265
264
263
250
260
270
280
290
2100
Last modified: 2016-03-13T21:35:47+00:00