Q: Is 145,428 a Prime Number?
A: No, 145,428 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 145428 can be evenly divided by 1 2 3 4 6 12 12,119 24,238 36,357 48,476 72,714 and 145,428, with no remainder.
Since 145,428 cannot be divided by just 1 and 145,428, it is not a prime number.