Q: Is 1,560,320 a Composite Number?

Why is 1,560,320 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 1,560,320 can be evenly divided by 1 2 4 5 8 10 16 20 23 32 40 46 53 64 80 92 106 115 128 160 184 212 230 256 265 320 368 424 460 530 640 736 848 920 1,060 1,219 1,280 1,472 1,696 1,840 2,120 2,438 2,944 3,392 3,680 4,240 4,876 5,888 6,095 6,784 7,360 8,480 9,752 12,190 13,568 14,720 16,960 19,504 24,380 29,440 33,920 39,008 48,760 67,840 78,016 97,520 156,032 195,040 312,064 390,080 780,160 and 1,560,320, with no remainder.

Since 1,560,320 cannot be divided by just 1 and 1,560,320, 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).