HCF & LCM · Question 25 · Medium
What is the HCF of 2^4 × 3^3 × 5^2 and 2^2 × 3^5 × 7?
- 36
- 324
- 216
- 108
Answer and explanation
Answer: D. 108
Explanation: Take each common prime with its lower power: 2^2 × 3^3 = 4 × 27 = 108. The primes 5 and 7 are not common.
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