Q: Is 345,816 a Prime Number?
A: No, 345,816 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 345816 can be evenly divided by 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 1,601 3,202 4,803 6,404 9,606 12,808 14,409 19,212 28,818 38,424 43,227 57,636 86,454 115,272 172,908 and 345,816, with no remainder.
Since 345,816 cannot be divided by just 1 and 345,816, it is not a prime number.