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Q: If the product of two co-primes is 104, then their LCM is?
  • A. can't be determined
  • B. is 104
  • C. is 1
  • D. is equal to their HCF
Correct Answer: Option B - Factor of 104, we have 104 = 13 × 8 HCF of co-prime numbers is always 1. Now, HCF×LCM = Product of two numbers. 1 × LCM = 104 LCM = 104
B. Factor of 104, we have 104 = 13 × 8 HCF of co-prime numbers is always 1. Now, HCF×LCM = Product of two numbers. 1 × LCM = 104 LCM = 104

Explanations:

Factor of 104, we have 104 = 13 × 8 HCF of co-prime numbers is always 1. Now, HCF×LCM = Product of two numbers. 1 × LCM = 104 LCM = 104