Q: Is 561,005 a Prime Number?
A: No, 561,005 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 561005 can be evenly divided by 1 5 29 53 73 145 265 365 1,537 2,117 3,869 7,685 10,585 19,345 112,201 and 561,005, with no remainder.
Since 561,005 cannot be divided by just 1 and 561,005, it is not a prime number.