Q: Is 442,431 a Prime Number?
A: No, 442,431 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 442431 can be evenly divided by 1 3 9 11 33 41 99 109 123 327 369 451 981 1,199 1,353 3,597 4,059 4,469 10,791 13,407 40,221 49,159 147,477 and 442,431, with no remainder.
Since 442,431 cannot be divided by just 1 and 442,431, it is not a prime number.