Question
Find the least common multiple for each list of numbers.$$20,8,4$$
Step 1
For 20, we can divide by 4 to get 5, so the prime factors are 2, 2, and 5. For 8, we can divide by 2 three times to get 1, so the prime factors are 2, 2, and 2. For 4, we can divide by 2 twice to get 1, so the prime factors are 2 and 2. Show more…
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