Q: Is 143,415 a Prime Number?
A: No, 143,415 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 143415 can be evenly divided by 1 3 5 9 15 45 3,187 9,561 15,935 28,683 47,805 and 143,415, with no remainder.
Since 143,415 cannot be divided by just 1 and 143,415, it is not a prime number.