Q: Is 72,138 a Prime Number?
A: No, 72,138 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 72138 can be evenly divided by 1 2 3 6 11 22 33 66 1,093 2,186 3,279 6,558 12,023 24,046 36,069 and 72,138, with no remainder.
Since 72,138 cannot be divided by just 1 and 72,138, it is not a prime number.