Q: Is 621,563,309 a Prime Number?

 A: Yes, 621,563,309 is a prime number.

Why is 621,563,309 a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 621563309 can be evenly divided by 1 and 621,563,309, with no remainder.

Since 621,563,309 can be divided by just 1 and 621,563,309, it is a prime number.


More Examples

  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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