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06-03-2016
Mathematics

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The sum of two prime numbers is 85 85 . What is the product of these two prime numbers?

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06-03-2016

I assume you mean ' 85 ' and not ' 8585 '.

-- 85 is an odd number.

-- If the sum of 2 numbers is odd, then
one of them is odd and the other is even.

-- The only even prime number is 2 .

-- So 85 is the sum of 2 and 83 .

-- Their product is 166 .

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