Question

Q-1 Find the factors of the following numbers.
15 b) 56 c) 33
d) 49 e) 72 f) 84

Q-2 Find out if the smaller number is a factor of the bigger number, without calculating.
12 , 96 b) 6 , 38 c) 13 , 52
d) 7 , 91 e) 12 , 85

Q-3 Find any one factor pair of the following numbers.
24 b) 32 c) 19 d) 64

Q-4 Find the factors of 16 and 40. Find their common factors and the HCF.

Q-5 Find the HCF of the following numbers by finding all the common factors.
8 , 20 b) 25 , 50 c) 18 , 40
d) 2 , 4 , 6 e) 6 , 9, 12

Answer 1

Q1
15:-1,5,15
56:-1,2,4,7,8,56,28,14
33:-1,3,11,33
49:-1,7,49
72:-1,2,3,4,6,8,9,72,36,24,12

Q2
12,96:- yes
6,38:-No
13,52:- Yes
7,91:-Yes
12,85:- No