Question

Find the LCM of the numbes by
Prime factorization: 26, 60 84 and 90
Please explain it :​

Answer 1

Here is your answer :-

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60 = 2 × 30

= 2 × 2 × 15

= 2 × 2 × 3 × 5

84 = 2 × 42 .

= 2× 2 × 21

= 2 × 2 × 3 × 7

90 = 2 × 45

= 2× 3 × 15

= 2 × 3 × 3 × 5

LCM = 2 × 2 × 3 × 3 × 5 × 7

Answer 2

prime factorization of 84

Since 2, 3, and 7 are already prime numbers, the prime factorization of 84 is 2 x 2 x 3 x 7.

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prime factorization of 90

The prime factorization of 90 is 2 ×

3 × 3 × 5.

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prime factorization of 26

26 is a composite number. 26 = 1 x 26 or 2 x 13. Factors of 26: 1, 2, 13, 26. Prime factorization: 26 = 2 x 13.

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prime factorization of 60

prime factors of 60 are 2, 3, and 5.