Question 268098: Select any prime number greater than 3. Square it and subtract 1. What is the largest number that must be a divisor of the result? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! Select any prime number greater than 3. Square it and subtract 1. What is the largest number that must be a divisor of the result?
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n = prime number
--> n^2 - 1 = (n+1)*(n-1)
n+1 is a factor. Maybe that's what the question is ??