Q: Is 426,003 a Prime Number?
A: No, 426,003 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 426003 can be evenly divided by 1 3 17 51 8,353 25,059 142,001 and 426,003, with no remainder.
Since 426,003 cannot be divided by just 1 and 426,003, it is not a prime number.