is 2 37053259 - 1
has 11154143 decimal digits
takes 47.860 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LA17A7A8976BAAB11double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27112.902563.3803 %450000105000001.86834.5723 %14.770865.0546 %
Target27112.902563.3803 %260000400000004.54214.0352 %17.444664.8579 %
Difference---+190000-29500000-2.6738+0.5371%-2.6738+0.1967 %

Known prime factors (1 factor, 76.4 bits, 0.00020624% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
370532591010738959324174432932412476.4201363900216340180
22 × 5 × 3539 × 11447 × 1683373
2016-01-01114471683373548.920.19200.3208

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2008-06-13ANONYMOUSv4_computers640000640000--1.1992.172%
2016-01-01HBendtzHAL9007450000105000001222476.4201.8084.572%


Trial Factoring results:
575859606162636465666768697071
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2006-04-14ITSv4_computers212670.403
2012-03-26Serge BatalovManual testing2672680.807
2013-06-22krackerManual testing2682691.613
2014-10-14blipManual testing2692703.227
2014-11-17srow7Manual testing2702716.454


ECM factoring results:
No ECM results for M37053259


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2009-05-08David J. Stuckimath-lab-a2A17A7A8976BAAB1148.79


PRP results:
No PRP results for M37053259


CERT results:
No CERT results for M37053259


P-1 factor-bounds graph:
B1 = 450000, B2 = 10500000 (P-1 stage 2)
B1 = 640000 (P-1 stage 1)
B1 = 450000 (P-1 stage 1)
103
104
105
106
103
104
105
106
107
108
TF factor-bounds graph:
271
270
269
268
267
this exponent TF target: 71
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00