Q: Is 557,564 a Prime Number?
A: No, 557,564 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 557564 can be evenly divided by 1 2 4 7 14 28 19,913 39,826 79,652 139,391 278,782 and 557,564, with no remainder.
Since 557,564 cannot be divided by just 1 and 557,564, it is not a prime number.