Q: Is 87,423 a Prime Number?
A: No, 87,423 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 87423 can be evenly divided by 1 3 7 21 23 69 161 181 483 543 1,267 3,801 4,163 12,489 29,141 and 87,423, with no remainder.
Since 87,423 cannot be divided by just 1 and 87,423, it is not a prime number.