Q: Is 138,040 a Prime Number?
A: No, 138,040 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 138040 can be evenly divided by 1 2 4 5 7 8 10 14 17 20 28 29 34 35 40 56 58 68 70 85 116 119 136 140 145 170 203 232 238 280 290 340 406 476 493 580 595 680 812 952 986 1,015 1,160 1,190 1,624 1,972 2,030 2,380 2,465 3,451 3,944 4,060 4,760 4,930 6,902 8,120 9,860 13,804 17,255 19,720 27,608 34,510 69,020 and 138,040, with no remainder.
Since 138,040 cannot be divided by just 1 and 138,040, it is not a prime number.