Q: Is 1,677,720 a Composite Number?

Why is 1,677,720 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 1,677,720 can be evenly divided by 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 31 33 40 41 44 55 60 62 66 82 88 93 110 120 123 124 132 155 164 165 186 205 220 246 248 264 310 328 330 341 372 410 440 451 465 492 615 620 660 682 744 820 902 930 984 1,023 1,230 1,240 1,271 1,320 1,353 1,364 1,640 1,705 1,804 1,860 2,046 2,255 2,460 2,542 2,706 2,728 3,410 3,608 3,720 3,813 4,092 4,510 4,920 5,084 5,115 5,412 6,355 6,765 6,820 7,626 8,184 9,020 10,168 10,230 10,824 12,710 13,530 13,640 13,981 15,252 18,040 19,065 20,460 25,420 27,060 27,962 30,504 38,130 40,920 41,943 50,840 54,120 55,924 69,905 76,260 83,886 111,848 139,810 152,520 167,772 209,715 279,620 335,544 419,430 559,240 838,860 and 1,677,720, with no remainder.

Since 1,677,720 cannot be divided by just 1 and 1,677,720, 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).