Q. 124.5( 21 Votes )

# Fill in the blanks.

(a) A number which has only two factors is called a …………...

(b) A number which has more than two factors is called a ………………..

(c) 1 is neither …………….. nor …………….

(d) The smallest prime number is …………...

(e) The smallest composite number is ………....

(f) The smallest even number is ……………....

Answer :

(a) A number which has only two factors is called a Prime number

*Explanation:* A number which has only two whole number factors is called a prime number. It has only two whole number factors i.e. on the number itself and other Example: 2 is a prime number.

(b) A number which has more than two factors is called a Composite number

*Explanation:* A number which has more than two factors is called a composite number.

Example: 4 is a prime number.

(c) 1 is neither prime nor composite

*Explanation:* 1 is neither prime nor composite number. Because 1 has no other whole number factor other than itself. So, it's not prime and therefore not composite as well.

(d) The smallest prime number is 2

*Explanation:* The smallest prime number is 2 because, it has only two whole number factors, one the number itself and other 1.

(e) The smallest composite number is 4

*Explanation:* The smallest composite number is 4 because, it has only three whole number factors i.e. 1, 2 and 4.

(f) The smallest even number is 2

*Explanation:* The smallest even number is 2. Because an integer divisible by 2 is an even number.

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