Prime Numbers MCQ

Q1. The number whose only factors are 1 and the number itself is called a/an ________ number.

a) prime

b) composite

c) odd

d) Even

Ans: a) prime

Q2. Which of the following is not a prime number?

a) 41

b) 47

c) 91

d) 73

Ans: c) 91

Q3. The number whose only factors are 1 and the number itself is called a/an ________ number.

a) prime

b) composite

c) odd

d) Even

Ans: a) prime

Q4. The greatest two digit even number when added to smallest three digit prime number gives

a) 198

b) 199

c) 200

d) 201

Ans: b) 199

Q5. Next term in the series 4, 9, 25, 49, …

a) 81

b) 144

c) 100

d) 121

Ans: d) 121

see also: Prove that the diagonals of a parallelogram bisect each other