Q: Is 1,209,138 a Prime Number?
A: No, 1,209,138 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 1209138 can be evenly divided by 1 2 3 6 7 14 21 42 28,789 57,578 86,367 172,734 201,523 403,046 604,569 and 1,209,138, with no remainder.
Since 1,209,138 cannot be divided by just 1 and 1,209,138, it is not a prime number.