Q: Is 1,401,921 a Prime Number?
A: No, 1,401,921 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 1401921 can be evenly divided by 1 3 9 27 137 379 411 1,137 1,233 3,411 3,699 10,233 51,923 155,769 467,307 and 1,401,921, with no remainder.
Since 1,401,921 cannot be divided by just 1 and 1,401,921, it is not a prime number.