Q: Is 438,501 a Prime Number?
A: No, 438,501 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 438501 can be evenly divided by 1 3 7 19 21 49 57 133 147 157 399 471 931 1,099 2,793 2,983 3,297 7,693 8,949 20,881 23,079 62,643 146,167 and 438,501, with no remainder.
Since 438,501 cannot be divided by just 1 and 438,501, it is not a prime number.