is 2 70269977 - 1
has 21153371 decimal digits
takes 187.875 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
Actual2670.422959.7015 %----0.422959.7015 %
Target27454.445263.5135 %4500008000000018.54674.0008 %72.991964.9733 %
Difference-7-54.0224-3.8120 %-450000-80000000-18.5467-4.0008 %-72.5691-5.2718 %

Known prime factors (1 factor, 68.1 bits, 0.00009687% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
702699773103359875068002665112168.0722208169126815
3 × 5 × 147211275121
2009-09-2451472112751211.237731,09358,074

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2009-09-24ahmeraliv4_computers2168.0725.1620.000%


Trial Factoring results:
575859606162636465666768697071727374
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2009-10-25ahmeraliv4_computers??
68.072
21
2007-07-24Amperiov4_computers212630.014
2008-11-28Wojciech FlorekManual testing212640.028


ECM factoring results:
No ECM results for M70269977


Lucas-Lehmer results:
No L-L results for M70269977


PRP results:
No PRP results for M70269977


CERT results:
No CERT results for M70269977


P-1 factor-bounds graph:
100
101
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
264
263
this exponent TF target: 74
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00