Q: Is 345,320 a Prime Number?
A: No, 345,320 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 345320 can be evenly divided by 1 2 4 5 8 10 20 40 89 97 178 194 356 388 445 485 712 776 890 970 1,780 1,940 3,560 3,880 8,633 17,266 34,532 43,165 69,064 86,330 172,660 and 345,320, with no remainder.
Since 345,320 cannot be divided by just 1 and 345,320, it is not a prime number.