Q: Is 1,421,003 a Prime Number?
A: No, 1,421,003 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 1421003 can be evenly divided by 1 67 127 167 8,509 11,189 21,209 and 1,421,003, with no remainder.
Since 1,421,003 cannot be divided by just 1 and 1,421,003, it is not a prime number.