Q: Is 138,765 a Prime Number?
A: No, 138,765 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 138765 can be evenly divided by 1 3 5 11 15 29 33 55 87 145 165 319 435 841 957 1,595 2,523 4,205 4,785 9,251 12,615 27,753 46,255 and 138,765, with no remainder.
Since 138,765 cannot be divided by just 1 and 138,765, it is not a prime number.