Q: Is 1,421,193 a Prime Number?
A: No, 1,421,193 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 1421193 can be evenly divided by 1 3 23 43 69 129 479 989 1,437 2,967 11,017 20,597 33,051 61,791 473,731 and 1,421,193, with no remainder.
Since 1,421,193 cannot be divided by just 1 and 1,421,193, it is not a prime number.