Q: Is 438,858 a Prime Number?
A: No, 438,858 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 438858 can be evenly divided by 1 2 3 6 7 9 14 18 21 27 42 43 54 63 81 86 126 129 162 189 243 258 301 378 387 486 567 602 729 774 903 1,134 1,161 1,458 1,701 1,806 2,322 2,709 3,402 3,483 5,103 5,418 6,966 8,127 10,206 10,449 16,254 20,898 24,381 31,347 48,762 62,694 73,143 146,286 219,429 and 438,858, with no remainder.
Since 438,858 cannot be divided by just 1 and 438,858, it is not a prime number.