Q: Is 861,053 a Prime Number?
A: Yes, 861,053 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 861053 can be evenly divided by 1 and 861,053, with no remainder.
Since 861,053 can be divided by just 1 and 861,053, it is a prime number.