Factors, Multiples, Primes, Prime Factors, LCM and HCF
Factors, Multiples, Primes, Prime Factors, LCM and HCF
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1) List all the prime numbers less than 30
[1]
2) List the first 6 multiples of 6.
[1]
3) List all the factors of the following number
[2]
a) 2
b) 22
4) Show the following number as a product of its prime factors
[3]
a) 18
b) 21
c) 52
5) Show the following number as a product of its prime factors in index form
[1]
56
6) Find the Highest Common Factor of the following pair of numbers
[2]
a) 20 and 8
b) 32 and 36
7) Find the Lowest Common Multiple of the following pair of numbers
[2]
a) 6 and 8
b) 18 and 20
Copyright 2014. Licensed by Your School with permission to redistribute
Solutions for the assessment Factors, Multiples, Primes, Prime Factors, LCM and HCF
1) 2,3,5,7,11,13,17,19,23,29
2) 6,12,18,24,30,36
3) a) 1,2 4) a) 2 ? 3 ? 3
c) 2 ? 2 ? 13
6) a) 4 7) a) 24
b) 1,2,11,22 b) 3 ? 7 5) 23 ? 7
b) 4 b) 180
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