• Numerical Ability - Number System
Question

Product of two co-prime numbers is 117. Their LCM should be 

  • A) 1 
  • B) 117 
  • C) equal to their H.C.F. 
  • D) Cannot be calculated
  • E) None of these
Solution

Answer (B): 117

Explanation:

HCF of two prime numbers = 1

∴ Product of numbers = 117 (Their LCM)

117 = 13 9 where 13 & 9 are co-prime.

LCM (13, 9) = 117.

Answer (B): 117

Explanation:

HCF of two prime numbers = 1

∴ Product of numbers = 117 (Their LCM)

117 = 13 9 where 13 & 9 are co-prime.

LCM (13, 9) = 117.
Comments