Q: Is 201,609 a Prime Number?
A: No, 201,609 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 201609 can be evenly divided by 1 3 9 19 27 57 81 131 171 393 513 1,179 1,539 2,489 3,537 7,467 10,611 22,401 67,203 and 201,609, with no remainder.
Since 201,609 cannot be divided by just 1 and 201,609, it is not a prime number.