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Pay attention, this is how to do it.

Prime factors of 14: 2*7

Prime factors of 38: 2*19

There are two 2's in both sets of prime factors, so only use one.

2*7*9=266=LCM

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7y ago
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7y ago

Dividing each number by 2 leaves 7 and 19, which are both prime numbers. The LCM is the product of these two primes, 133 (7 x 19 = 133).

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7y ago

The LCM is the product of the numbers divided by their HCF
HCF(14, 38) = 2
→ LCM(14, 38) = 14 × 38 ÷ 2 = 266.

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7y ago

It is: 266

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Q: What is the least common multiple of 14 and 38?
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