Q: Is 142,425 a Prime Number?
A: No, 142,425 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 142425 can be evenly divided by 1 3 5 9 15 25 27 45 75 135 211 225 633 675 1,055 1,899 3,165 5,275 5,697 9,495 15,825 28,485 47,475 and 142,425, with no remainder.
Since 142,425 cannot be divided by just 1 and 142,425, it is not a prime number.