Q: Is 566,423 a Prime Number?
A: No, 566,423 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 566423 can be evenly divided by 1 11 13 17 143 187 221 233 2,431 2,563 3,029 3,961 33,319 43,571 51,493 and 566,423, with no remainder.
Since 566,423 cannot be divided by just 1 and 566,423, it is not a prime number.