Q: Is 653,431 a Prime Number?
A: Yes, 653,431 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 653431 can be evenly divided by 1 and 653,431, with no remainder.
Since 653,431 can be divided by just 1 and 653,431, it is a prime number.