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Worksheet #768- Mathematics

Name:_____________________

Date: __________ Start Time: _________ Finish Time: _________

 
Prime numbers

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Notes:
- What is a prime number?
A natural number greater than 1 divisible only by itself and 1.

- Some examples of prime numbers: 2, 5, 13, 97 etc.

- Why 4 is not a prime number? Because it is divisible by 2.

- Why 5 is a prime number? Because it is divisible only by itself and 1.
 

(1) Write the prime numbers between 1 and 10.



 
(2) Write the prime numbers between 10 and 25.



 
(3) Write the prime numbers between 25 and 50.



 
(4) Write the prime numbers between 50 and 75.



 
(5) Write the prime numbers between 75 and 100.



 

Remember:
There are 25 prime numbers between 1 and 100.
 
 
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(1) 2, 3, 5, 7

(2) 11, 13, 17, 19, 23

(3) 29, 31, 37, 41, 43, 47

(4) 53, 59, 61, 67, 71, 73

(5) 79, 83, 89, 97

 

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