is 2 75595063 - 1
has 22756382 decimal digits
takes 208.998 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
Actual275101.222364.0000 %660000132000005.38473.7053 %106.607065.3339 %
Target27450.610063.5135 %5000009000000021.55224.1870 %72.162265.0412 %
Difference+1+50.6123+0.4865 %+160000-76800000-16.1675-0.4817 %+34.4448+0.2927 %

Known prime factors (1 factor, 79.9 bits, 0.00010566% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
7559506311065390364310119178166092579.8727318857822970608
24 × 32 × 1117 × 17041 × 2670131
2015-04-011704126701312,183.30.64781.0892

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2015-04-01NesowaOutback660000132000001222579.8725.4914.082%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2004-01-27Marzbugv4_computers212630.013
2022-06-27LordJuliusManual testing263265
2010-10-27Jimmie HagbladMdH2652660.099
2010-11-01TDH-DXLmarrina2662670.198
2010-11-06TDH-DXLmarrina2672680.395
2010-11-13TDH-DXLmarrina2682690.791
2012-12-08Robert_SoCalManual testing2692701.582
2013-05-31ManpowreManual testing2702713.163
2014-01-21processinfoManual testing27127318.98
2015-03-23gcardonaManual testing27327425.31
2015-03-26Jerry HallettManual testing27427550.61


ECM factoring results:
No ECM results for M75595063


Lucas-Lehmer results:
No L-L results for M75595063


PRP results:
No PRP results for M75595063


CERT results:
No CERT results for M75595063


P-1 factor-bounds graph:
B1 = 660000, B2 = 13200000 (P-1 stage 2)
B1 = 660000 (P-1 stage 1)
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105
106
103
104
105
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108
TF factor-bounds graph:
275
274
273
271
270
269
268
267
266
265
263
this exponent TF target: 74
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00