Q: Is 561,066 a Prime Number?
A: No, 561,066 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 561066 can be evenly divided by 1 2 3 6 11 22 33 66 8,501 17,002 25,503 51,006 93,511 187,022 280,533 and 561,066, with no remainder.
Since 561,066 cannot be divided by just 1 and 561,066, it is not a prime number.