Q: Is 1,153,280 a Composite Number?

Why is 1,153,280 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 1,153,280 can be evenly divided by 1 2 4 5 8 10 16 17 20 32 34 40 53 64 68 80 85 106 128 136 160 170 212 256 265 272 320 340 424 530 544 640 680 848 901 1,060 1,088 1,280 1,360 1,696 1,802 2,120 2,176 2,720 3,392 3,604 4,240 4,352 4,505 5,440 6,784 7,208 8,480 9,010 10,880 13,568 14,416 16,960 18,020 21,760 28,832 33,920 36,040 57,664 67,840 72,080 115,328 144,160 230,656 288,320 576,640 and 1,153,280, with no remainder.

Since 1,153,280 cannot be divided by just 1 and 1,153,280, 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).