Q: Is 28,275,120 a Composite Number?

Why is 28,275,120 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 28,275,120 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 173 180 227 240 346 360 454 519 681 692 720 865 908 1,038 1,135 1,362 1,384 1,557 1,730 1,816 2,043 2,076 2,270 2,595 2,724 2,768 3,114 3,405 3,460 3,632 4,086 4,152 4,540 5,190 5,448 6,228 6,810 6,920 7,785 8,172 8,304 9,080 10,215 10,380 10,896 12,456 13,620 13,840 15,570 16,344 18,160 20,430 20,760 24,912 27,240 31,140 32,688 39,271 40,860 41,520 54,480 62,280 78,542 81,720 117,813 124,560 157,084 163,440 196,355 235,626 314,168 353,439 392,710 471,252 589,065 628,336 706,878 785,420 942,504 1,178,130 1,413,756 1,570,840 1,767,195 1,885,008 2,356,260 2,827,512 3,141,680 3,534,390 4,712,520 5,655,024 7,068,780 9,425,040 14,137,560 and 28,275,120, with no remainder.

Since 28,275,120 cannot be divided by just 1 and 28,275,120, 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).