Sec 1 Math Chapter 1: Factors and Multiples

Determine whether the following numbers are Prime Numbers

• 85

• 83

• 103

• 323

• 1

Find the smallest number that has 2, 5, and 7 as its prime factors

Find the HCF of 45, 195 and 60

• 30

• 15

• 45

• 20

• 3

• 7

• 11

• 17

Find the LCM of two relatively prime numbers

• It's product

• 1

• Amogus

• 175

In a roller coaster ride, two events occur in specific intervals. A song, can be heard once every 5 minutes. Neon lights light up for two minutes every 6 minutes. The two events took place at the same time at 09 00. When will the two events occur at the same time again?

Write 2938 as a product of its prime factors

• 2938

Find the cube root of the LCM of 24 and 108

• 1

• 2

• 3

• 4

• 5