Q: Is 2,121,201 a Prime Number?
A: No, 2,121,201 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 2121201 can be evenly divided by 1 3 9 27 251 313 753 939 2,259 2,817 6,777 8,451 78,563 235,689 707,067 and 2,121,201, with no remainder.
Since 2,121,201 cannot be divided by just 1 and 2,121,201, it is not a prime number.