Q: Is 138,128 a Prime Number?
A: No, 138,128 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 138128 can be evenly divided by 1 2 4 8 16 89 97 178 194 356 388 712 776 1,424 1,552 8,633 17,266 34,532 69,064 and 138,128, with no remainder.
Since 138,128 cannot be divided by just 1 and 138,128, it is not a prime number.