Q: Is 6,143,840 a Composite Number?

Why is 6,143,840 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 6,143,840 can be evenly divided by 1 2 4 5 8 10 16 19 20 32 38 40 43 47 76 80 86 94 95 152 160 172 188 190 215 235 304 344 376 380 430 470 608 688 752 760 817 860 893 940 1,376 1,504 1,520 1,634 1,720 1,786 1,880 2,021 3,040 3,268 3,440 3,572 3,760 4,042 4,085 4,465 6,536 6,880 7,144 7,520 8,084 8,170 8,930 10,105 13,072 14,288 16,168 16,340 17,860 20,210 26,144 28,576 32,336 32,680 35,720 38,399 40,420 64,672 65,360 71,440 76,798 80,840 130,720 142,880 153,596 161,680 191,995 307,192 323,360 383,990 614,384 767,980 1,228,768 1,535,960 3,071,920 and 6,143,840, with no remainder.

Since 6,143,840 cannot be divided by just 1 and 6,143,840, 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).