Q: Is 4,201,509 a Prime Number?
A: No, 4,201,509 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 4201509 can be evenly divided by 1 3 13 39 169 507 8,287 24,861 107,731 323,193 1,400,503 and 4,201,509, with no remainder.
Since 4,201,509 cannot be divided by just 1 and 4,201,509, it is not a prime number.