Q: Is 138,918 a Prime Number?
A: No, 138,918 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 138918 can be evenly divided by 1 2 3 6 13 26 39 78 137 169 274 338 411 507 822 1,014 1,781 3,562 5,343 10,686 23,153 46,306 69,459 and 138,918, with no remainder.
Since 138,918 cannot be divided by just 1 and 138,918, it is not a prime number.