Prime Factors

​PRIME
Week 14

​

A prime number is a number that is only divisible by 1 and itself

​Prime Number Example

​1) Lets list the first ten numbers
2)

Match

Which of these are/are not prime numbers?

• 5

• 9

• 10

• 11

• 13

Prime

Not Prime

Not Prime

Prime

Prime

• Prime

• Not Prime

• Not Prime

• Prime

• Prime

Match

Which of these are/are not Prime Numbers?

• 19

• 21

• 22

• 30

• 31

Prime

Not Prime

Not Prime

Not Prime

Prime

• Prime

• Not Prime

• Not Prime

• Not Prime

• Prime

Match

Which of these are/are not Prime Numbers?

• 49

• 29

• 35

• 1

• 39

Not Prime

Prime

Not Prime

Not Prime

Not Prime

• Not Prime

• Prime

• Not Prime

• Not Prime

• Not Prime

​Prime Numbers

​Now complete the Maths Genie worksheet

Product of Primes

Prime factor trees are factor trees in which all the branches end with prime numbers

product of prime: examples

prime factor trees

​20

​50

​100

​Prime factor trees are factor trees in which all the branches end with prime numbers

Try these

Try these

Lets reverse these:

​Prime Factors

​Now complete the worksheet