Q: Is 1,401,621 a Prime Number?
A: No, 1,401,621 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 1401621 can be evenly divided by 1 3 13 39 83 249 433 1,079 1,299 3,237 5,629 16,887 35,939 107,817 467,207 and 1,401,621, with no remainder.
Since 1,401,621 cannot be divided by just 1 and 1,401,621, it is not a prime number.