Q: Is 561,001 a Prime Number?
A: No, 561,001 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 561001 can be evenly divided by 1 7 49 107 749 5,243 11,449 80,143 and 561,001, with no remainder.
Since 561,001 cannot be divided by just 1 and 561,001, it is not a prime number.