Q.1 Write all the factors of the following numbers: (a) 24
(b) 15
(c) 21
(d) 27
(e) 12
(f) 20
(g) 18
(h) 23
(i) 36

(a) 24 $$\rightarrow$$ 1, 2, 3, 4, 6, 8, 12 and 24.
(b) 15 $$\rightarrow$$ 1,3,5,and 15
(c) 21 $$\rightarrow$$ 1, 3 , 7 and 21
(d) 27 $$\rightarrow$$ 1,3,9 and 27
(e) 12 $$\rightarrow$$ 1,2,3,4, 6 and 12
(f) 20 $$\rightarrow$$ 1,2,4,5,10 and 20
(g) 18 $$\rightarrow$$ 1,2,3,6,9 and 18
(h) 23 $$\rightarrow$$1 and 23
(i) 36 $$\rightarrow$$ 1,2, 3, 4, 6, 9, 12, 18, and 36