Q: Is 142,155 a Prime Number?
A: No, 142,155 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 142155 can be evenly divided by 1 3 5 9 13 15 27 39 45 65 81 117 135 195 243 351 405 585 729 1,053 1,215 1,755 2,187 3,159 3,645 5,265 9,477 10,935 15,795 28,431 47,385 and 142,155, with no remainder.
Since 142,155 cannot be divided by just 1 and 142,155, it is not a prime number.