II) etc.
Practice Set 10
1. Which number is neither a prime number nor a composite
2. Which of the following are pa

II) etc.
Practice Set 10
1. Which number is neither a prime number nor a composite
2. Which of the following are pairs of co-primes?
(iii) 17, 19
(i) 8, 14 (ii) 4, 5
3. List the prime numbers from 25 to 100 and say how me
4. Write all the twin prime numbers from 51 to 100.
5. Write 5 pairs of twin prime numbers from 1 to 50.
6. Which are the even prime numbers?
2. Let’s learn. Factorising a Number into​