What is the Highest Common Factor of 42, 168 and 210?
Show answer & explanation
Correct answer: C
Explanation
Correct Answer is option 3 i.e. 42
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Understanding |
Application |
Calculation |
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We need to factorize 42, 168 and 210. |
Looking at the factors: HCF = 2 × 3 × 7 = 42 |
42 = 2 × 3 × 7 168 = 2 × 2 × 2 × 3 × 7 210 = 2 × 3 × 5 × 7 |