Q: Is 138,075 a Prime Number?
A: No, 138,075 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 138075 can be evenly divided by 1 3 5 7 15 21 25 35 75 105 175 263 525 789 1,315 1,841 3,945 5,523 6,575 9,205 19,725 27,615 46,025 and 138,075, with no remainder.
Since 138,075 cannot be divided by just 1 and 138,075, it is not a prime number.