Product of two co-prime numbers is 117. Then their L.C.M.

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Product of two co-prime numbers is 117. Then their L.C.M. is

1. 117
2. 9
3. 13
4. 39

Correct Option: A

HCF of two-prime numbers = 1
As we know that ,
Product of numbers = LCM × HCF
∴ Product of numbers = LCM × 1 = 117
Their LCM = 117 = 13 × 9 , where 13 & 9 are co-prime.
L.C.M ( 13 , 9 ) = 117.