Q: Is 1,167,561 a Prime Number?
A: No, 1,167,561 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 1167561 can be evenly divided by 1 3 9 27 83 249 521 747 1,563 2,241 4,689 14,067 43,243 129,729 389,187 and 1,167,561, with no remainder.
Since 1,167,561 cannot be divided by just 1 and 1,167,561, it is not a prime number.