Q: Is 138,240 a Prime Number?
A: No, 138,240 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 138240 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 256 270 288 320 360 384 432 480 512 540 576 640 720 768 864 960 1,024 1,080 1,152 1,280 1,440 1,536 1,728 1,920 2,160 2,304 2,560 2,880 3,072 3,456 3,840 4,320 4,608 5,120 5,760 6,912 7,680 8,640 9,216 11,520 13,824 15,360 17,280 23,040 27,648 34,560 46,080 69,120 and 138,240, with no remainder.
Since 138,240 cannot be divided by just 1 and 138,240, it is not a prime number.