Q: Is 345,861 a Prime Number?
A: No, 345,861 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 345861 can be evenly divided by 1 3 9 83 249 463 747 1,389 4,167 38,429 115,287 and 345,861, with no remainder.
Since 345,861 cannot be divided by just 1 and 345,861, it is not a prime number.