Q: Is 553,429 a Prime Number?
A: No, 553,429 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 553429 can be evenly divided by 1 563 983 and 553,429, with no remainder.
Since 553,429 cannot be divided by just 1 and 553,429, it is not a prime number.