Q: Is 3,580,421 a Prime Number?
A: No, 3,580,421 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 3580421 can be evenly divided by 1 13 17 221 289 953 3,757 12,389 16,201 210,613 275,417 and 3,580,421, with no remainder.
Since 3,580,421 cannot be divided by just 1 and 3,580,421, it is not a prime number.