Q: Is 345,560 a Prime Number?
A: No, 345,560 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 345560 can be evenly divided by 1 2 4 5 8 10 20 40 53 106 163 212 265 326 424 530 652 815 1,060 1,304 1,630 2,120 3,260 6,520 8,639 17,278 34,556 43,195 69,112 86,390 172,780 and 345,560, with no remainder.
Since 345,560 cannot be divided by just 1 and 345,560, it is not a prime number.