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How many prime factors are there in total in $6^{10} \times 7^{17} \times 5 5^{27}$ ?

Competition practiceNumber System, HCF & LCM

A54
B71
C81
D91

Step-by-Step Solution

6^{10} = 2^{10} 3^{10}

gives 20,

7^{17}

gives 17,

5 5^{27} = 5^{27} 1 1^{27}

gives 54. Total

= 91

.

Answer: D) 91

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