Q: Is 358,215 a Prime Number?
A: No, 358,215 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 358215 can be evenly divided by 1 3 5 11 13 15 33 39 55 65 143 165 167 195 429 501 715 835 1,837 2,145 2,171 2,505 5,511 6,513 9,185 10,855 23,881 27,555 32,565 71,643 119,405 and 358,215, with no remainder.
Since 358,215 cannot be divided by just 1 and 358,215, it is not a prime number.