Q: Is 72,540 a Composite Number?
A: Yes, 72,540 is a composite number.
The number 72,540 can be evenly divided by 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 31 36 39 45 52 60 62 65 78 90 93 117 124 130 155 156 180 186 195 234 260 279 310 372 390 403 465 468 558 585 620 780 806 930 1,116 1,170 1,209 1,395 1,612 1,860 2,015 2,340 2,418 2,790 3,627 4,030 4,836 5,580 6,045 7,254 8,060 12,090 14,508 18,135 24,180 36,270 and 72,540, with no remainder.
Since 72,540 cannot be divided by just 1 and 72,540, it is a composite number.