Q: Is 487,128 a Prime Number?
A: No, 487,128 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 487128 can be evenly divided by 1 2 3 4 6 8 12 24 20,297 40,594 60,891 81,188 121,782 162,376 243,564 and 487,128, with no remainder.
Since 487,128 cannot be divided by just 1 and 487,128, it is not a prime number.