Q: Is 140,561 a Prime Number?
A: No, 140,561 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 140561 can be evenly divided by 1 367 383 and 140,561, with no remainder.
Since 140,561 cannot be divided by just 1 and 140,561, it is not a prime number.