Q: Is 1,100,421 a Prime Number?
A: No, 1,100,421 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 1100421 can be evenly divided by 1 3 7 9 21 63 17,467 52,401 122,269 157,203 366,807 and 1,100,421, with no remainder.
Since 1,100,421 cannot be divided by just 1 and 1,100,421, it is not a prime number.