HCF & LCM · Question 16 · Easy
What is the HCF of 156 and 234?
- 39
- 26
- 78
- 52
Answer and explanation
Answer: C. 78
Explanation: 156 = 2^2 × 3 × 13 and 234 = 2 × 3^2 × 13. Common factors give 2 × 3 × 13 = 78.
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