Q: Is 563,445 a Prime Number?
A: No, 563,445 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 563445 can be evenly divided by 1 3 5 9 15 19 45 57 95 171 285 659 855 1,977 3,295 5,931 9,885 12,521 29,655 37,563 62,605 112,689 187,815 and 563,445, with no remainder.
Since 563,445 cannot be divided by just 1 and 563,445, it is not a prime number.