Question

Find the lowest common factor of 28 and 210

Step by step

Please help

Answer 1

the lcm of 28 and 210 is 420

28 = 2 x 2 x 7

210 = 2 x 3 x 5 x 7

lcm = 2 x 2 x 3 x 5 x 7

LCM = 420

Answer 2

Hello there! :)

To find the lowest common factor, we must list all the factors of these numbers.

However, even without listing, the Lowest Common Factor of two even numbers is 2. So 2 is the lowest common factor of 28 and 210.

Hope this helps you!

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