Q: Is 155,142 a Prime Number?
A: No, 155,142 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 155142 can be evenly divided by 1 2 3 6 9 13 17 18 26 27 34 39 51 54 78 102 117 153 169 221 234 306 338 351 442 459 507 663 702 918 1,014 1,326 1,521 1,989 2,873 3,042 3,978 4,563 5,746 5,967 8,619 9,126 11,934 17,238 25,857 51,714 77,571 and 155,142, with no remainder.
Since 155,142 cannot be divided by just 1 and 155,142, it is not a prime number.