Q: Is 75,431 a Prime Number?
A: Yes, 75,431 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 75431 can be evenly divided by 1 and 75,431, with no remainder.
Since 75,431 can be divided by just 1 and 75,431, it is a prime number.