Least Common Multiple (LCM) of 2 and 18
What is the Least Common Multiple (LCM) of 2 and 18? Here we will show you step-by-step how to find the Least Common Multiple of 2 and 18.
Step 1) First we find and list the prime factors of 2 and 18 (Prime Factorization):
Prime Factors of 2:
Prime Factors of 18:
2, 3, 3
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
Step 3) Finally, we multiply the prime numbers from Step 2 together.
2 x 3 x 3 = 18
That's it. The Least Common Multiple (LCM) of 2 and 18 is 18.
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Least Common Multiple (LCM) of 2 and 19
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