Q: Is 143,420 a Prime Number?
A: No, 143,420 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 143420 can be evenly divided by 1 2 4 5 10 20 71 101 142 202 284 355 404 505 710 1,010 1,420 2,020 7,171 14,342 28,684 35,855 71,710 and 143,420, with no remainder.
Since 143,420 cannot be divided by just 1 and 143,420, it is not a prime number.