Q: Is 3,641,421 a Prime Number?
A: No, 3,641,421 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 3641421 can be evenly divided by 1 3 7 21 59 177 413 1,239 2,939 8,817 20,573 61,719 173,401 520,203 1,213,807 and 3,641,421, with no remainder.
Since 3,641,421 cannot be divided by just 1 and 3,641,421, it is not a prime number.