Q: Is 2,142,289 a Prime Number?
A: No, 2,142,289 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 2142289 can be evenly divided by 1 17 23 391 5,479 93,143 126,017 and 2,142,289, with no remainder.
Since 2,142,289 cannot be divided by just 1 and 2,142,289, it is not a prime number.