is 2 14091197 - 1
has 4241873 decimal digits
takes 6.252 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
Actual2684.229964.7059 %3000002114343007.59348.1937 %11.823467.5978 %
Target2698.472465.2174 %90000120000000.47542.8558 %8.947866.2107 %
Difference-1-4.2425-0.5115 %+210000+199434300+7.1181+5.3379%+2.8756+1.3871 %

Known prime factors (3 factors, 174.7 bits, 0.00124004% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
140911971024239712675268631856.5073634324723
331 × 10979833
2000-09-15331109798330.00090.38510.7188
140911971190762153935244091856.7254225198732
22 × 29 × 3023 × 12049
2015-04-273023120490.00080.00230.0040
1409119732699106327009919271961.504116026716279
3 × 29 × 5639 × 236503
2000-09-1556392365030.04040.01170.0155

4 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2022-10-24nordisweet16_30.8b14300000300000
skipped known factor: 119076215393524409
skipped known factor: 3269910632700991927
--0.2081.716%
2022-11-05nordisweet16_30.8b14300000211434300
skipped known factor: 102423971267526863
skipped known factor: 119076215393524409
skipped known factor: 3269910632700991927
--9.757.486%


Trial Factoring results:
57585960616263646566676869
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2000-09-15ANONYMOUSv4_computers??
56.507
18
2000-09-15ANONYMOUSv4_computers??
61.504
19
2000-08-10Net_Forcev4_computers212560.001
2015-04-27TJAOIManual testing256257*
56.725
18
0.000
2016-05-03TJAOIManual testing261262*
61.504
19
0.011
2022-04-10LordJuliusManual testing264268


ECM factoring results:
No ECM results for M14091197


Lucas-Lehmer results:
No L-L results for M14091197


PRP results:
dateuseridcompidcofactorsres64
2022-12-24Perigbrollach
102423971267526863
119076215393524409
3269910632700991927
3EF97A257A64580A


CERT results:
dateuseridcompid
2022-12-24Chad SteenersonLulabelle3


P-1 factor-bounds graph:
B1 = 300000, B2 = 211434300 (P-1 stage 2)
B1 = 300000 (P-1 stage 1)
101
102
103
104
105
106
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
268
256
this exponent TF target: 69
TF double-checked to: 67
250
260
270
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Last modified: 2024-03-13T02:15:48+00:00