Q: Is 1,201,589 a Prime Number?
A: No, 1,201,589 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 1201589 can be evenly divided by 1 23 89 587 2,047 13,501 52,243 and 1,201,589, with no remainder.
Since 1,201,589 cannot be divided by just 1 and 1,201,589, it is not a prime number.