Q: Is 345,500 a Prime Number?
A: No, 345,500 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 345500 can be evenly divided by 1 2 4 5 10 20 25 50 100 125 250 500 691 1,382 2,764 3,455 6,910 13,820 17,275 34,550 69,100 86,375 172,750 and 345,500, with no remainder.
Since 345,500 cannot be divided by just 1 and 345,500, it is not a prime number.