Q: Is 143,565 a Prime Number?
A: No, 143,565 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 143565 can be evenly divided by 1 3 5 15 17 51 85 255 563 1,689 2,815 8,445 9,571 28,713 47,855 and 143,565, with no remainder.
Since 143,565 cannot be divided by just 1 and 143,565, it is not a prime number.