Q: Is 1,722,720 a Composite Number?

Why is 1,722,720 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 1,722,720 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 37 40 48 60 74 80 96 97 111 120 148 160 185 194 222 240 291 296 370 388 444 480 485 555 582 592 740 776 888 970 1,110 1,164 1,184 1,455 1,480 1,552 1,776 1,940 2,220 2,328 2,910 2,960 3,104 3,552 3,589 3,880 4,440 4,656 5,820 5,920 7,178 7,760 8,880 9,312 10,767 11,640 14,356 15,520 17,760 17,945 21,534 23,280 28,712 35,890 43,068 46,560 53,835 57,424 71,780 86,136 107,670 114,848 143,560 172,272 215,340 287,120 344,544 430,680 574,240 861,360 and 1,722,720, with no remainder.

Since 1,722,720 cannot be divided by just 1 and 1,722,720, 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).