is 2 75927923 - 1
has 22856583 decimal digits
takes 209.918 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
Actual275100.778664.0000 %----100.778664.0000 %
Target27450.388163.5135 %5000009000000021.55224.1893 %71.940365.0420 %
Difference+1+50.3905+0.4865 %-500000-90000000-21.5522-4.1893 %+28.8382-1.0420 %

Known prime factors (1 factor, 76.1 bits, 0.00010023% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
75927923810896450538824136222072376.102533990934098661
3 × 13 × 2579 × 6263 × 847687
2016-07-316263847687223.420.20890.3458

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2016-07-31Architects Cubedgcp2_uc2376.1025.3490.000%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2004-09-16Marzbugv4_computers212630.013
2009-06-01Architects Cubedm1_062632640.026
2010-10-15ANONYMOUSi72642650.049
2010-10-20Wolfgang Fluck2652660.098
2010-10-26ANONYMOUS2662670.197
2010-12-30RonnyKarlQuad12672680.394
2011-01-08zapy8000awesome2682690.787
2011-01-15KYOJI_KAMEI2692701.575
2013-01-09ANONYMOUS2702713.149
2015-03-28LaurVManual testing2712726.299
2016-03-23Judge HaleManual testing27227312.60
2016-04-14AirSquirrelsManual testing27327575.59


ECM factoring results:
No ECM results for M75927923


Lucas-Lehmer results:
No L-L results for M75927923


PRP results:
No PRP results for M75927923


CERT results:
No CERT results for M75927923


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
TF factor-bounds graph:
275
273
272
271
270
269
268
267
266
265
264
263
this exponent TF target: 74
TF double-checked to: 67
250
260
270
280
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00