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  1. The number of prime factors in the expression (6)10 x (7)17 x (11)27 is ?
    1. 54
    2. 64
    3. 71
    4. 81
Correct Option: B

Since 2, 3, 7, 11 are prime numbers and the given expression is
210 x 310 x 717 x 1127

So the number of prime factors in the given expression is (10 + 10 + 17 + 27 ) = 64.


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