Q: Is 438,138 a Prime Number?
A: No, 438,138 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 438138 can be evenly divided by 1 2 3 6 9 18 101 202 241 303 482 606 723 909 1,446 1,818 2,169 4,338 24,341 48,682 73,023 146,046 219,069 and 438,138, with no remainder.
Since 438,138 cannot be divided by just 1 and 438,138, it is not a prime number.