Q: Is 345,807 a Prime Number?
A: No, 345,807 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 345807 can be evenly divided by 1 3 7 9 11 21 33 63 77 99 231 499 693 1,497 3,493 4,491 5,489 10,479 16,467 31,437 38,423 49,401 115,269 and 345,807, with no remainder.
Since 345,807 cannot be divided by just 1 and 345,807, it is not a prime number.