Q: Is 4,407,680 a Composite Number?

Why is 4,407,680 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 4,407,680 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 71 80 97 128 142 160 194 284 320 355 388 485 568 640 710 776 970 1,136 1,420 1,552 1,940 2,272 2,840 3,104 3,880 4,544 5,680 6,208 6,887 7,760 9,088 11,360 12,416 13,774 15,520 22,720 27,548 31,040 34,435 45,440 55,096 62,080 68,870 110,192 137,740 220,384 275,480 440,768 550,960 881,536 1,101,920 2,203,840 and 4,407,680, with no remainder.

Since 4,407,680 cannot be divided by just 1 and 4,407,680, 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).