Q: Is 1,261,421 a Prime Number?
A: No, 1,261,421 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 1261421 can be evenly divided by 1 7 31 217 5,813 40,691 180,203 and 1,261,421, with no remainder.
Since 1,261,421 cannot be divided by just 1 and 1,261,421, it is not a prime number.