Q: Is 1,045,120 a Composite Number?

Why is 1,045,120 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 1,045,120 can be evenly divided by 1 2 4 5 8 10 16 20 23 32 40 46 64 71 80 92 115 128 142 160 184 230 284 320 355 368 460 568 640 710 736 920 1,136 1,420 1,472 1,633 1,840 2,272 2,840 2,944 3,266 3,680 4,544 5,680 6,532 7,360 8,165 9,088 11,360 13,064 14,720 16,330 22,720 26,128 32,660 45,440 52,256 65,320 104,512 130,640 209,024 261,280 522,560 and 1,045,120, with no remainder.

Since 1,045,120 cannot be divided by just 1 and 1,045,120, 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).