Common prime factors of 36, 60 and 72 are(a) 2 x 2(b) 2 x 3(c) 3 x 3(d

1.	Common prime factors of 36, 60 and 72 are(a) 2 x 2(b) 2 x 3(c) 3 x 3(d) 3 x 2 x 2
Answer» (d) 3 x 2 x 2 Prime factors of 36 are 2 x 2 x 3 x 3 Prime factors of 60 are 2 x 2 x 3 x 5 Prime factors of 72 are 2 x 2 x 2 x 3 x 3 ∴ Common prime factors are 2 x 2 x 3

Common prime factors of 36, 60 and 72 are(a) 2 x 2(b) 2 x 3(c) 3 x 3(d) 3 x 2 x 2

Answer»

(d) 3 x 2 x 2

Prime factors of 36 are 2 x 2 x 3 x 3

Prime factors of 60 are 2 x 2 x 3 x 5

Prime factors of 72 are 2 x 2 x 2 x 3 x 3

∴ Common prime factors are 2 x 2 x 3

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Common prime factors of 36, 60 and 72 are(a) 2 x 2(b) 2 x 3(c) 3 x 3(d) 3 x 2 x 2

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