Q: Is 20,231,400 a Composite Number?

Why is 20,231,400 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 20,231,400 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 25 28 30 35 40 42 50 56 60 70 75 84 100 105 120 140 150 168 175 200 210 280 300 350 420 525 600 700 840 1,050 1,400 2,100 4,200 4,817 9,634 14,451 19,268 24,085 28,902 33,719 38,536 48,170 57,804 67,438 72,255 96,340 101,157 115,608 120,425 134,876 144,510 168,595 192,680 202,314 240,850 269,752 289,020 337,190 361,275 404,628 481,700 505,785 578,040 674,380 722,550 809,256 842,975 963,400 1,011,570 1,348,760 1,445,100 1,685,950 2,023,140 2,528,925 2,890,200 3,371,900 4,046,280 5,057,850 6,743,800 10,115,700 and 20,231,400, with no remainder.

Since 20,231,400 cannot be divided by just 1 and 20,231,400, 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).