Asked by Beth
                To determine if 3417 is prime, you would have to try dividing 3417 by every whole number less than 3416.
 
  
True or false
and how did you get the answer
            
        True or false
and how did you get the answer
Answers
                    Answered by
            drwls
            
    Not true. Start with small prime numbers. You may find one that is an even divisor before you go through all numbers. Try 3, for example. You find right away that 3417 = 3 x 1139 
So, 3417 is not prime.
You never have to go above N/2 as a divisor to prove that N is not prime. Numbers larger than N/2 cannot be integer factors
    
So, 3417 is not prime.
You never have to go above N/2 as a divisor to prove that N is not prime. Numbers larger than N/2 cannot be integer factors
                    Answered by
            Jeff
            
    also apply the rules of divisibility
    
                    Answered by
            vamsi
            
    write the multiples of 2 up to 30
    
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