Q: Is 557,280 a Composite Number?

Why is 557,280 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 557,280 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 43 45 48 54 60 72 80 81 86 90 96 108 120 129 135 144 160 162 172 180 215 216 240 258 270 288 324 344 360 387 405 430 432 480 516 540 645 648 688 720 774 810 860 864 1,032 1,080 1,161 1,290 1,296 1,376 1,440 1,548 1,620 1,720 1,935 2,064 2,160 2,322 2,580 2,592 3,096 3,240 3,440 3,483 3,870 4,128 4,320 4,644 5,160 5,805 6,192 6,480 6,880 6,966 7,740 9,288 10,320 11,610 12,384 12,960 13,932 15,480 17,415 18,576 20,640 23,220 27,864 30,960 34,830 37,152 46,440 55,728 61,920 69,660 92,880 111,456 139,320 185,760 278,640 and 557,280, with no remainder.

Since 557,280 cannot be divided by just 1 and 557,280, 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).