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Find the greatest common factor of 10, 30 and 45

1 Answer

5 votes

Answer:

The greatest common factor is 5.

Explanation:

The prime factorisation of 10, 30 and 45 is,

10 = 2 × 5

30 = 2 × 3 × 5

45 = 3 × 3 × 5

The prime factor '5' is common in the factorisation of 10, 30 and 45

So, the greatest common factor of 10, 30 and 45 is 5.

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