Q: Is 143,140 a Prime Number?
A: No, 143,140 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 143140 can be evenly divided by 1 2 4 5 10 17 20 34 68 85 170 340 421 842 1,684 2,105 4,210 7,157 8,420 14,314 28,628 35,785 71,570 and 143,140, with no remainder.
Since 143,140 cannot be divided by just 1 and 143,140, it is not a prime number.