is 2 344050907 - 1
has 103569644 decimal digits
takes 5,423.978 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
Actual2722.779659.7222 %186762241120.68281.2294 %3.462460.2174 %
Target2811,423.432764.1975 %2000000400000000541.40324.0722 %1,964.835965.6555 %
Difference-9-1,420.6530-4.4753 %-1981324-399775888-540.7204-2.8428 %-1,961.3735-5.4381 %

Known prime factors (1 factor, 75.5 bits, 0.00002193% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
344050907522112164224053294703692375.46775877167244912
24 × 11 × 29 × 227 × 997 × 65687
2019-04-159976568722.2410.10340.1528

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-04-15kwe5ykdfManual testing1867622411222375.4670.7470.305%


Trial Factoring results:
57585960616263646566676869707172737475767778798081
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-01-22Architects Cubedm1_542642650.011
2014-02-19sasaki3asort2652660.022
2016-02-23YxinityManual testing2662670.043
2016-04-17Jacques MOLNEManual testing2672690.261
2016-06-21Jacques MOLNEManual testing2692700.348
2016-06-21Jacques MOLNEManual testing2702710.695
2016-06-21Jacques MOLNEManual testing2712721.390


ECM factoring results:
No ECM results for M344050907


Lucas-Lehmer results:
No L-L results for M344050907


PRP results:
No PRP results for M344050907


CERT results:
No CERT results for M344050907


P-1 factor-bounds graph:
B1 = 18676, B2 = 224112 (P-1 stage 2)
B1 = 18676 (P-1 stage 1)
101
102
103
104
105
101
102
103
104
105
106
TF factor-bounds graph:
272
271
270
269
267
266
265
this exponent TF target: 81
TF double-checked to: 67
250
260
270
280
290
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00