Q: Is 1,178,138 a Prime Number?
A: No, 1,178,138 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 1178138 can be evenly divided by 1 2 13 26 113 226 401 802 1,469 2,938 5,213 10,426 45,313 90,626 589,069 and 1,178,138, with no remainder.
Since 1,178,138 cannot be divided by just 1 and 1,178,138, it is not a prime number.