A mathematician proposed that "Every even number greater than 2 can be expressed as a sum of prime numbers."Do you agree? Why?
I agree. According to the Goldbalch's theory, every even number greater than two can be expressed as a sum of two primes. For example...
and so on...
Besides that, any even number more than 5 can be written as a sum of three primes. This magical equation is one of the oldest unsolved problems in number theory.
Cited from- wikipedia.org