is 2 24855049 - 1
has 7482116 decimal digits
takes 20.160 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LD626F543DC737F14double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual275307.861366.6667 %28500061275000.70962.4016 %308.570967.4672 %
Target2709.613864.2857 %180000250000001.80213.6574 %11.415965.5919 %
Difference+5+298.2476+2.3810 %+105000-18872500-1.0925-1.2558 %+297.1550+1.8753 %

Known prime factors:
No known factors for M24855049

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2004-08-06ANONYMOUSv4_computers2850006127500--0.7104.074%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2001-08-18Mattv4_computers212580.002
2003-08-31Net_Forcev4_computers212600.003
2004-03-16ANONYMOUSv4_computers212670.601
2016-06-03VictordeHollanderManual testing2672681.203
2018-03-05VictordeHollanderManual testing2682692.405
2018-08-30ramgeisManual testing2692704.810
2021-08-05SRBaseManual testing2702719.62
2021-08-30TheJudgerManual testing27127357.73
2021-10-01TheJudgerManual testing27327476.97
2021-10-19TheJudgerManual testing274275153.9


ECM factoring results:
No ECM results for M24855049


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2004-09-02ANONYMOUSv4_computersD626F543DC737F1420.16
2011-05-04J. Scott BowenkubuntuD626F543DC737F1420.16


PRP results:
No PRP results for M24855049


CERT results:
No CERT results for M24855049


P-1 factor-bounds graph:
B1 = 285000, B2 = 6127500 (P-1 stage 2)
B1 = 285000 (P-1 stage 1)
104
105
106
104
105
106
107
TF factor-bounds graph:
275
274
273
271
270
269
268
267
260
258
this exponent TF target: 70
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00