Q: Is 1,421,121 a Prime Number?
A: No, 1,421,121 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 1421121 can be evenly divided by 1 3 13 39 169 507 2,803 8,409 36,439 109,317 473,707 and 1,421,121, with no remainder.
Since 1,421,121 cannot be divided by just 1 and 1,421,121, it is not a prime number.