Q: Is 560,421 a Prime Number?
A: No, 560,421 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 560421 can be evenly divided by 1 3 9 73 219 657 853 2,559 7,677 62,269 186,807 and 560,421, with no remainder.
Since 560,421 cannot be divided by just 1 and 560,421, it is not a prime number.