is 2 45182009 - 1
has 13601140 decimal digits
takes 72.516 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L7C6A5F4F43110E31double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27221.166263.8889 %500000125000002.68514.4530 %23.851465.4969 %
Target27221.166263.8889 %320000500000007.04384.0235 %28.210065.3418 %
Difference---+180000-37500000-4.3587+0.4295%-4.3587+0.1551 %

Known prime factors (1 factor, 80.7 bits, 0.00017855% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4518200919260004407453403308963592580.67221313798161845131
89 × 113 × 137 × 1291 × 11982449
2016-10-291291119824498,693.61.52212.8376

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2009-01-18curtiscv4_computers4450002336250--1.7703.009%
2016-10-29Bruno VictalManual testing500000125000001222580.6722.9454.453%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2007-03-201997rj7v4_computers212630.022
2007-12-03Matt Perryv4_computers212680.662
2014-08-01VictordeHollanderManual testing2682691.323
2015-07-23David CampeauManual testing2692702.646
2015-09-13Mark RoseManual testing2702715.293
2015-10-23ANONYMOUSManual testing27127210.59


ECM factoring results:
No ECM results for M45182009


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2009-04-08curtiscv4_computers7C6A5F4F43110E3178.44


PRP results:
No PRP results for M45182009


CERT results:
No CERT results for M45182009


P-1 factor-bounds graph:
B1 = 500000, B2 = 12500000 (P-1 stage 2)
B1 = 445000, B2 = 2336250 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
B1 = 445000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
107
108
TF factor-bounds graph:
272
271
270
269
268
263
this exponent TF target: 72
TF double-checked to: 67
250
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Last modified: 2024-03-13T02:15:48+00:00