Q: Is 23,478 a Prime Number?
A: No, 23,478 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 23478 can be evenly divided by 1 2 3 6 7 13 14 21 26 39 42 43 78 86 91 129 182 258 273 301 546 559 602 903 1,118 1,677 1,806 3,354 3,913 7,826 11,739 and 23,478, with no remainder.
Since 23,478 cannot be divided by just 1 and 23,478, it is not a prime number.