Q: Is 422,505 a Prime Number?
A: No, 422,505 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 422505 can be evenly divided by 1 3 5 9 15 41 45 123 205 229 369 615 687 1,145 1,845 2,061 3,435 9,389 10,305 28,167 46,945 84,501 140,835 and 422,505, with no remainder.
Since 422,505 cannot be divided by just 1 and 422,505, it is not a prime number.