Q: Is 455,421 a Prime Number?
A: No, 455,421 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 455421 can be evenly divided by 1 3 31 59 83 93 177 249 1,829 2,573 4,897 5,487 7,719 14,691 151,807 and 455,421, with no remainder.
Since 455,421 cannot be divided by just 1 and 455,421, it is not a prime number.