Q: Is 345,699 a Prime Number?
A: No, 345,699 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 345699 can be evenly divided by 1 3 9 71 213 541 639 1,623 4,869 38,411 115,233 and 345,699, with no remainder.
Since 345,699 cannot be divided by just 1 and 345,699, it is not a prime number.