Q: Is 87,123 a Prime Number?
A: No, 87,123 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 87123 can be evenly divided by 1 3 113 257 339 771 29,041 and 87,123, with no remainder.
Since 87,123 cannot be divided by just 1 and 87,123, it is not a prime number.