Q: Is 7,205,120 a Composite Number?

Why is 7,205,120 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 7,205,120 can be evenly divided by 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 160 208 256 260 320 416 433 520 640 832 866 1,040 1,280 1,664 1,732 2,080 2,165 3,328 3,464 4,160 4,330 5,629 6,928 8,320 8,660 11,258 13,856 16,640 17,320 22,516 27,712 28,145 34,640 45,032 55,424 56,290 69,280 90,064 110,848 112,580 138,560 180,128 225,160 277,120 360,256 450,320 554,240 720,512 900,640 1,441,024 1,801,280 3,602,560 and 7,205,120, with no remainder.

Since 7,205,120 cannot be divided by just 1 and 7,205,120, 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).