Q: Is 143,045 a Prime Number?
A: No, 143,045 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 143045 can be evenly divided by 1 5 7 35 61 67 305 335 427 469 2,135 2,345 4,087 20,435 28,609 and 143,045, with no remainder.
Since 143,045 cannot be divided by just 1 and 143,045, it is not a prime number.