What is the Highest Common Factor (HCF) of 56, 70, and 84?
- 7
- 14
- 21
- None of these
Explanation
Factors of 56: 1, 2, 4, 7, 8, 14, 28, 56
Factors of 70: 1, 2, 5, 7, 10, 14, 35, 70
Factors of 84: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
The greatest common factor present in all three numbers is 14.
Last verified on 10-07-2026
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