Table of Contents

## What are 5 common multiples of 3 and 7?

The common multiples of 3 and 7 up to 70 are 21, 42, and 63. A a couple of of a host a is a number that’s the product of a and some other quantity.

## What is the HCF of 12?

Factors of 12 = 1, 2, 3, 4, 6 and 12. Factors of 18 = 1, 2, 3, 6, 9 and 18. Therefore, common issue of 12 and 18 = 1, 2, 3 and 6. Highest common issue (H.C.F) of 12 and 18 = 6 [since 6 is the best common factor].

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