Q: Is 687,240 a Composite Number?

Why is 687,240 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 687,240 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 23 24 30 36 40 45 46 60 69 72 83 90 92 115 120 138 166 180 184 207 230 249 276 332 345 360 414 415 460 498 552 664 690 747 828 830 920 996 1,035 1,245 1,380 1,494 1,656 1,660 1,909 1,992 2,070 2,490 2,760 2,988 3,320 3,735 3,818 4,140 4,980 5,727 5,976 7,470 7,636 8,280 9,545 9,960 11,454 14,940 15,272 17,181 19,090 22,908 28,635 29,880 34,362 38,180 45,816 57,270 68,724 76,360 85,905 114,540 137,448 171,810 229,080 343,620 and 687,240, with no remainder.

Since 687,240 cannot be divided by just 1 and 687,240, 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).