Question

Find the least common multiple lcm of each pair of numbers 10 and 25

Answer 1

Answer: 50

Explanation:

Our task is to find the lcm of 10 and 25.

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Let's list several multiples of each of these numbers.

Keep listing until you see something in common.

10 = 10, 20, 30, 40, 50, 60...

25 = 25, 50, 75, 100...

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The smallest number that appears in both lists is 50; hence, it's the least common multiple of 10 and 25.

Answer 2

50

Explanation:

The LCM is the smallest positive number that all of the numbers divide into evenly.

10 has factors of 2 and 5.

2 · 5

25 has factors of 5 and 5.

5 ⋅ 5

The LCM of 10,25 is the result of multiplying all prime factors the greatest number of times they occur in either number.

2 · 5 · 5 = 50

So, the answer is 50