Q: Is 4,447,421 a Prime Number?
A: No, 4,447,421 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 4447421 can be evenly divided by 1 11 17 187 289 1,399 3,179 15,389 23,783 261,613 404,311 and 4,447,421, with no remainder.
Since 4,447,421 cannot be divided by just 1 and 4,447,421, it is not a prime number.