Q: Is 4,267,621 a Prime Number?
A: No, 4,267,621 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 4267621 can be evenly divided by 1 43 61 1,627 2,623 69,961 99,247 and 4,267,621, with no remainder.
Since 4,267,621 cannot be divided by just 1 and 4,267,621, it is not a prime number.