Q: Is 1,237,320 a Composite Number?

Why is 1,237,320 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 1,237,320 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 56 60 63 70 72 84 90 105 120 126 140 168 180 210 252 280 315 360 420 491 504 630 840 982 1,260 1,473 1,964 2,455 2,520 2,946 3,437 3,928 4,419 4,910 5,892 6,874 7,365 8,838 9,820 10,311 11,784 13,748 14,730 17,185 17,676 19,640 20,622 22,095 27,496 29,460 30,933 34,370 35,352 41,244 44,190 51,555 58,920 61,866 68,740 82,488 88,380 103,110 123,732 137,480 154,665 176,760 206,220 247,464 309,330 412,440 618,660 and 1,237,320, with no remainder.

Since 1,237,320 cannot be divided by just 1 and 1,237,320, 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).