Q: Is 1,142,289 a Prime Number?
A: No, 1,142,289 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 1142289 can be evenly divided by 1 3 9 27 42,307 126,921 380,763 and 1,142,289, with no remainder.
Since 1,142,289 cannot be divided by just 1 and 1,142,289, it is not a prime number.