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LCM Duel: Two Numbers

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LCM Duel: Two Numbers
 

LCM Duel: Two NumbersOnline version

Solve multiple LCM challenges.

by arNas
1

What is the LCM of 6 and 8?

2

What is the LCM of 12 and 18?

3

LCM of 8 and 9?

4

LCM of 7 and 5?

5

If gcd(15,28)=1, LCM(15,28) = ?

6

Which formula links LCM and GCD of a and b?

7

LCM of 4 and 10?

8

LCM of 3 and 5?

9

What is the LCM of 14 and 21?

10

LCM of 18 and 20?