Q: Is 523,128 a Prime Number?
A: No, 523,128 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 523128 can be evenly divided by 1 2 3 4 6 8 12 24 71 142 213 284 307 426 568 614 852 921 1,228 1,704 1,842 2,456 3,684 7,368 21,797 43,594 65,391 87,188 130,782 174,376 261,564 and 523,128, with no remainder.
Since 523,128 cannot be divided by just 1 and 523,128, it is not a prime number.