Q: Is 143,623 a Prime Number?
A: No, 143,623 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 143623 can be evenly divided by 1 31 41 113 1,271 3,503 4,633 and 143,623, with no remainder.
Since 143,623 cannot be divided by just 1 and 143,623, it is not a prime number.