Q: Is 438,921 a Prime Number?
A: No, 438,921 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 438921 can be evenly divided by 1 3 7 9 21 63 6,967 20,901 48,769 62,703 146,307 and 438,921, with no remainder.
Since 438,921 cannot be divided by just 1 and 438,921, it is not a prime number.