Question

Exercise 3,5
1.
Find the LCM of each set of numbers given below using the prime
factorisation method.
a) 4, 6 and 8
b) 35 and 75
c) 144 and 200
d) 40, 60 and 80 e) 60,72 and 320
f) 24, 32 and 60​

Answer 1

Answer:

a)There are 2 common factors of 4 and 6, that are 1 and 2. Therefore, the greatest common factor of 4 and 6 is 2

.

b)The Greatest Common Factor (GCF) for 75 and 35, notation CGF(75,35), is 5. Explanation: The factors of 75 are 1,3,5,15,25,75; The factors of 35 are 1,5,7,35

c)The GCF of 144 and 200 is 8.

f)Find the prime factors of 24. The prime factors of 24 are 2, 2, 2 and 3.

Find the prime factors of 32. The prime factors of 32 are 2, 2, 2, 2 and 2.

Find the prime factors of 60. The prime factors of 60 are 2, 2, 3 and 5.

Step-by-step explanation:

sorry friend i can,t give you f) one answer