Question

Show and explain whether the following are prime or composite numbers.
(a) 127

(b) 473

Answer 1

Answer:

127 is prime number because it is not divisible bu 2 nor any other prime number

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Answer 2

Step-by-step explanation:

(a) 127

Factors of 127 by LCM are, 1,127

Since the factors of 127 is 1 and itself.

Therefore it is a prime number.

(b) 473

Factors of 473 by LCM are 1, 11, 43, 473

Since the factors of 473 are more than 1 and itself.

Therefore it is a composite number.

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