Wednesday, January 20, 2010

Maths

A mathematician proposed that "Every even number greater than 2 can be expressed as a sum of two prime numbers." Do you agree? Why?
Yes. In all prime numbers, 2 is the only prime number that is an even number, all the other prime numbers are all odd numbers. Two odd numbers added up would equal to an even number. So, all even numbers greater than 2 can be expressed as a sum of two prime numbers.

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