Question

What is GCF OF 15,60,120​

Answer 1

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HCF of the following is :-

15=3 × 5

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60= 2×2×3×5

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120=2×2×2×3×5

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so the hcf is 3×5 =15

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Answer 2

HCF(15, 60, 120) = ?

◼Prime factors of 15:

3 x 5

◼Prime factors of 60:

2 x 2 x 3 x 5

◼Prime factors of 120:

2 x 2 x 2 x 3 x 5

HCF(15, 60, 120) = 3 x 5

= 15