Q: Is 128,142 a Prime Number?
A: No, 128,142 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 128142 can be evenly divided by 1 2 3 6 7 9 14 18 21 27 42 54 63 81 113 126 162 189 226 339 378 567 678 791 1,017 1,134 1,582 2,034 2,373 3,051 4,746 6,102 7,119 9,153 14,238 18,306 21,357 42,714 64,071 and 128,142, with no remainder.
Since 128,142 cannot be divided by just 1 and 128,142, it is not a prime number.