LCM And HCF- Term 1 Flashcards
1
Q
What is the highest common factor?
A
The factor that is highest that belongs to both numbers
2
Q
How many numbers are in a factor?
A
1
3
Q
What are the first nine prime numbers?
A
2,3,5,7,11,13,17,19,23
4
Q
What is a prime number?
A
A prime number is a number with exactly two factors
5
Q
What technique do you use to write a number as a product of its prime numbers?
A
Factor tree
6
Q
How do you work out the HCM using a Venn diagram?
A
Multiply all h numbers in the middle together
7
Q
How do you work out the LCM using a Venn diagram?
A
Times all numbers in he diagram together
