Q: Is 556,940 a Prime Number?
A: No, 556,940 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 556940 can be evenly divided by 1 2 4 5 10 20 27,847 55,694 111,388 139,235 278,470 and 556,940, with no remainder.
Since 556,940 cannot be divided by just 1 and 556,940, it is not a prime number.