Q: Is 358,240 a Prime Number?
A: No, 358,240 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 358240 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 2,239 4,478 8,956 11,195 17,912 22,390 35,824 44,780 71,648 89,560 179,120 and 358,240, with no remainder.
Since 358,240 cannot be divided by just 1 and 358,240, it is not a prime number.