Q: Is 138,288 a Prime Number?
A: No, 138,288 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 138288 can be evenly divided by 1 2 3 4 6 8 12 16 24 43 48 67 86 129 134 172 201 258 268 344 402 516 536 688 804 1,032 1,072 1,608 2,064 2,881 3,216 5,762 8,643 11,524 17,286 23,048 34,572 46,096 69,144 and 138,288, with no remainder.
Since 138,288 cannot be divided by just 1 and 138,288, it is not a prime number.