is 2 45278153 - 1
has 13630083 decimal digits
takes 72.670 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LF95B94D4B3F43D7Fdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27110.558763.3803 %----10.558763.3803 %
Target27221.121363.8889 %320000500000007.04384.0246 %28.165165.3422 %
Difference-1-10.5626-0.5086 %-320000-50000000-7.0438-4.0246 %-17.6064-1.9619 %

Known prime factors (1 factor, 92.4 bits, 0.00020416% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4527815367236977484659649117041255112892.44174248807680670685835
3 × 5 × 23 × 47 × 311 × 373 × 6997 × 5641459
2012-12-026997564145935,456,6130.73071.3360

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2012-12-02Architects Cubeda3_hobbit2892.4412.4940.000%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2007-01-161997rj7v4_computers212630.022
2007-12-03TheJudgerv4_computers212680.660
2011-06-04Carsten KossendeyManual testing2682691.320
2012-07-14Carsten KossendeyManual testing2692702.641
2012-09-07kdgehmanManual testing2702715.281


ECM factoring results:
No ECM results for M45278153


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2010-10-29curtiscwde2610-68lF95B94D4B3F43D7F78.61


PRP results:
No PRP results for M45278153


CERT results:
No CERT results for M45278153


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
107
TF factor-bounds graph:
271
270
269
268
263
this exponent TF target: 72
TF double-checked to: 67
250
260
270
280
290
2100
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Last modified: 2024-03-13T02:15:48+00:00