Question

what is the H.C.F of 15,30,45,60

Answer 1

Answer:

15

Step-by-step explanation:

all are devisible by 15

Answer 2

Answer:

15

Step-by-step explanation:

We can use prime factorization to solve.

The prime factorization of 15 is 3 × 5.

The prime factorization of 30 is 2 × 3 × 5.

The prime factorization of 45 is 3² * 5.

The prime factorization of 60 is 2² × 3 × 5.

We can see that the H.C.F of all these numbers is 15.

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