Least Common Multiple of 2 and 45 (LCM of 2 and 45)

Least Common Multiple (LCM) of 2 and 45

What is the Least Common Multiple (LCM) of 2 and 45? Here we will show you step-by-step how to find the Least Common Multiple of 2 and 45.

Step 1) First we find and list the prime factors of 2 and 45 (Prime Factorization):

Prime Factors of 2:
2

Prime Factors of 45:
3, 3, 5

Step 2) Then we look at the frequency of the prime factors as they appear in each set above. List each prime factor the greatest number of times it occurs in either sets:

2, 3, 3, 5

Step 3) Finally, we multiply the prime numbers from Step 2 together.

2 x 3 x 3 x 5 = 90

That's it. The Least Common Multiple (LCM) of 2 and 45 is 90.

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Least Common Multiple (LCM) of 2 and 46
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