Prime Numbers and Composite Numbers

Mathematics

Prime numbers

Numbers that are greater than number 1 and only divisible by 1 and itself

Number 1

Number 1 is not a prime number because its value is equal to 1

Identifying the prime number

Only can be divided by the number 1 and itself

Not a prime number

Can be divisible by numbers other than 1 and itself

Number 2

Example of prime number as it can be divided by 1 and itself

Example of not the prime number

9 can be divided exactly with 3

Example of prime number

11 can only be divided by 1 and 11

Example

Can be divided exactly with other numbers indicating 14 and 15 instead of prime numbers

Number 17 and 19 is the prime number while 18 is not a prime number

The numbers 17 and 19 can only be divided by the number 1 and itself, while the number 18 is divisible by the number 9

Prime numbers between 10 and 20

11,13,17,19