Question

Write the factors of the following and classify it as prime/composite :
(i) the factors of 7 : 7, 1 (7 is a prime number)
(ii) the factors of 11 : __________________ (11 is a prime number)
(iii) the factors of 10 : ____________________ (10 is a ________ number)
(iv) the factors of 15 : ____________________ (15 is a ________number)
(v) the factors of 28 : ____________________ (28 is a ________ number)
(vi) the factors of 19 : ____________________ (19 is a ________number)

Answer 1

2) the factor of 11 is 1, 11.
3)the factor of 10 is 1,2,5,10. 10 is a composite number.
4) the factor of 15 us 1,3,5,15. 15 is a composite number.
5) the factor of 28 is 1,2,4,7,12,28. 28 is a composite number.
6) the factor of 19 is 1,19. 19 is a prime number.