Q: Is 142,665 a Prime Number?
A: No, 142,665 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 142665 can be evenly divided by 1 3 5 15 9,511 28,533 47,555 and 142,665, with no remainder.
Since 142,665 cannot be divided by just 1 and 142,665, it is not a prime number.