Question

Write true or false: (i) 1 is a prime number. (ii) There are 8 prime numbers between 1 – 20. (iii) 12 is a prime number. (iv) 21 has 4 factors – 1, 3, 7 and 21. (v) 4, 6, 7, 8 and 9 are composite numbers. (vi) Consecutive numbers are always co-prime.​

Answer 1

false

true

false

true

false

sum of any two consecutive number are Co prime

Answer 2

Answer:

(i) True

(ii) True

(iii) False

(iv) True

(v) False

(vi) True