Q: Is 1,142,163 a Prime Number?
A: No, 1,142,163 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 1142163 can be evenly divided by 1 3 9 11 33 83 99 139 249 417 747 913 1,251 1,529 2,739 4,587 8,217 11,537 13,761 34,611 103,833 126,907 380,721 and 1,142,163, with no remainder.
Since 1,142,163 cannot be divided by just 1 and 1,142,163, it is not a prime number.