Q: Is 1,138,120 a Prime Number?
A: No, 1,138,120 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 1138120 can be evenly divided by 1 2 4 5 8 10 20 37 40 74 148 185 296 370 740 769 1,480 1,538 3,076 3,845 6,152 7,690 15,380 28,453 30,760 56,906 113,812 142,265 227,624 284,530 569,060 and 1,138,120, with no remainder.
Since 1,138,120 cannot be divided by just 1 and 1,138,120, it is not a prime number.