Q: Is 138,840 a Composite Number?
A: Yes, 138,840 is a composite number.
The number 138,840 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 89 104 120 130 156 178 195 260 267 312 356 390 445 520 534 712 780 890 1,068 1,157 1,335 1,560 1,780 2,136 2,314 2,670 3,471 3,560 4,628 5,340 5,785 6,942 9,256 10,680 11,570 13,884 17,355 23,140 27,768 34,710 46,280 69,420 and 138,840, with no remainder.
Since 138,840 cannot be divided by just 1 and 138,840, it is a composite number.