Q: Is 1,387,760 a Composite Number?

Why is 1,387,760 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 1,387,760 can be evenly divided by 1 2 4 5 8 10 11 16 19 20 22 38 40 44 55 76 80 83 88 95 110 152 166 176 190 209 220 304 332 380 415 418 440 664 760 830 836 880 913 1,045 1,328 1,520 1,577 1,660 1,672 1,826 2,090 3,154 3,320 3,344 3,652 4,180 4,565 6,308 6,640 7,304 7,885 8,360 9,130 12,616 14,608 15,770 16,720 17,347 18,260 25,232 31,540 34,694 36,520 63,080 69,388 73,040 86,735 126,160 138,776 173,470 277,552 346,940 693,880 and 1,387,760, with no remainder.

Since 1,387,760 cannot be divided by just 1 and 1,387,760, 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).