Q: Is 143,275 a Prime Number?
A: No, 143,275 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 143275 can be evenly divided by 1 5 11 25 55 275 521 2,605 5,731 13,025 28,655 and 143,275, with no remainder.
Since 143,275 cannot be divided by just 1 and 143,275, it is not a prime number.