Q: Is 2,170,800 a Composite Number?

Why is 2,170,800 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 2,170,800 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 36 40 45 48 50 54 60 67 72 75 80 81 90 100 108 120 134 135 144 150 162 180 200 201 216 225 240 268 270 300 324 335 360 400 402 405 432 450 536 540 600 603 648 670 675 720 804 810 900 1,005 1,072 1,080 1,200 1,206 1,296 1,340 1,350 1,608 1,620 1,675 1,800 1,809 2,010 2,025 2,160 2,412 2,680 2,700 3,015 3,216 3,240 3,350 3,600 3,618 4,020 4,050 4,824 5,025 5,360 5,400 5,427 6,030 6,480 6,700 7,236 8,040 8,100 9,045 9,648 10,050 10,800 10,854 12,060 13,400 14,472 15,075 16,080 16,200 18,090 20,100 21,708 24,120 26,800 27,135 28,944 30,150 32,400 36,180 40,200 43,416 45,225 48,240 54,270 60,300 72,360 80,400 86,832 90,450 108,540 120,600 135,675 144,720 180,900 217,080 241,200 271,350 361,800 434,160 542,700 723,600 1,085,400 and 2,170,800, with no remainder.

Since 2,170,800 cannot be divided by just 1 and 2,170,800, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).