Q: Is 345,213 a Prime Number?
A: No, 345,213 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 345213 can be evenly divided by 1 3 9 11 33 99 121 317 363 951 1,089 2,853 3,487 10,461 31,383 38,357 115,071 and 345,213, with no remainder.
Since 345,213 cannot be divided by just 1 and 345,213, it is not a prime number.