What is a factor of a number? [1 MARK]
A factor of a number is an exact divisor of that number.
What are the common multiples? If a number is divisible by 16, which numbers will definitely be a factor of that number? [3 MARKS]
What are prime numbers? Find the prime factorization of 2048. [3 MARKS]
On what factors does the resistance of a conductor depend? [2 MARKS]
Find the smallest number which is divisible by the first four prime numbers. What is the highest common factor of the first four prime numbers? [3 MARKS]