Q: Is 127,428 a Prime Number?
A: No, 127,428 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 127428 can be evenly divided by 1 2 3 4 6 7 12 14 21 28 37 41 42 74 82 84 111 123 148 164 222 246 259 287 444 492 518 574 777 861 1,036 1,148 1,517 1,554 1,722 3,034 3,108 3,444 4,551 6,068 9,102 10,619 18,204 21,238 31,857 42,476 63,714 and 127,428, with no remainder.
Since 127,428 cannot be divided by just 1 and 127,428, it is not a prime number.