Q: Is 1,564,121 a Prime Number?
A: No, 1,564,121 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 1564121 can be evenly divided by 1 13 79 1,027 1,523 19,799 120,317 and 1,564,121, with no remainder.
Since 1,564,121 cannot be divided by just 1 and 1,564,121, it is not a prime number.