Q: Is 6,494,720 a Composite Number?

Why is 6,494,720 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 6,494,720 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 43 59 64 80 86 118 128 160 172 215 236 256 295 320 344 430 472 512 590 640 688 860 944 1,180 1,280 1,376 1,720 1,888 2,360 2,537 2,560 2,752 3,440 3,776 4,720 5,074 5,504 6,880 7,552 9,440 10,148 11,008 12,685 13,760 15,104 18,880 20,296 22,016 25,370 27,520 30,208 37,760 40,592 50,740 55,040 75,520 81,184 101,480 110,080 151,040 162,368 202,960 324,736 405,920 649,472 811,840 1,298,944 1,623,680 3,247,360 and 6,494,720, with no remainder.

Since 6,494,720 cannot be divided by just 1 and 6,494,720, 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).