Q: Is 157,428 a Prime Number?
A: No, 157,428 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 157428 can be evenly divided by 1 2 3 4 6 9 12 18 36 4,373 8,746 13,119 17,492 26,238 39,357 52,476 78,714 and 157,428, with no remainder.
Since 157,428 cannot be divided by just 1 and 157,428, it is not a prime number.