Q: Is 1,087,731 a Prime Number?
A: No, 1,087,731 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 1087731 can be evenly divided by 1 3 9 19 57 171 6,361 19,083 57,249 120,859 362,577 and 1,087,731, with no remainder.
Since 1,087,731 cannot be divided by just 1 and 1,087,731, it is not a prime number.