SOLUTION: the product of two consecutive prime number is 3127. what is the greatest number? sir please help me solve this question...........

Question 346568: the product of two consecutive prime number is 3127. what is the greatest number?
sir please help me solve this question...........
Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
I would apporach it this way
Find the square root of 3127
That is 55.9
So look for prime numbers on either side of 56
And then try them
Here is a list of prime numbers ...
There are 25 prime numbers between 1 and 100.
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, and 97.
I would start with 59, divide 3127 by 59 and see what you get
Sometimes, a little logic and then trial and error gets you an answer quicker.

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