Find cube root of 6859 by prime factorising method

The prime factorisation of 6859 is :6859 = 19 × 19 × 19Now, 68593 = 19×19×193 = 19So, 68593 = 19

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I don,t know!!!
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dear friend 
19    6859
19    361
19     19
          1
6859=19*19*19
        =193
19 is a factor of 6859
for a cube a triplet is a must.(triplet = a group of three)
here 6859=19*19*19
here 6859 consists of triplet and therefore 6859 is a cube number
thanks
 
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19 is the cube number
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19 is the cube root of 6859
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cube root of 6859 is 19 cube
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