Q: Is 345,456 a Prime Number?
A: No, 345,456 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 345456 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 2,399 4,798 7,197 9,596 14,394 19,192 21,591 28,788 38,384 43,182 57,576 86,364 115,152 172,728 and 345,456, with no remainder.
Since 345,456 cannot be divided by just 1 and 345,456, it is not a prime number.