Question

ANSWER THESE QUESTIONS

(1) Is there any counting number having no factor at all?

(2) Find all the numbers having exactly one factor.

(3) Find numbers between 1 and 100 having exactly three factors.​

Answer 1

Step-by-step explanation:

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1) Since every number has two factors i.e. 1 and itself . Hence there are no counting number having no factor at all.

2) 1 is neither a prime nor a composite number. 1 is the only number which has only single factor, that is, 1 itself

3) We know that the numbers between 1 and 100 which have exactly three factors are 4, 9, 25 and 49.