Prime divisors

Find 2/3 of the ratio of the sum and the product of all prime divisors of the number 120.

Correct result:

x =  0.2222

Solution:

120:1,2,3,4,5,6,8,10,12,15,20,24,30,40,60,120  120=23×3×5 p:2,3,5   s=2+3+5=10 m=2 3 5=30  x=23 sm=23 1030=29=0.2222



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