Q: Is 2,145,139 a Prime Number?
A: No, 2,145,139 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 2145139 can be evenly divided by 1 67 101 317 6,767 21,239 32,017 and 2,145,139, with no remainder.
Since 2,145,139 cannot be divided by just 1 and 2,145,139, it is not a prime number.