Q7 of 55 Page 53

Give three pairs of prime numbers whose difference is 2.

Pairs of prime numbers whose difference is 2 are;


5 and 7


21 and23


91 and 93


More from this chapter

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5

What is the greatest prime number between 1 and 10?

 6

Express the following as the sum of two odd primes:

(a) 44 (b) 36


(c) 24 (d) 18

 8

Which of the following numbers are prime?

(a) 23 (b) 51


(c) 37 (d) 26

 9

Write seven consecutive composite numbers less than 100 so that there is no prime number between them.