Q: Is 6,240,640 a Composite Number?

Why is 6,240,640 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 6,240,640 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 128 140 160 196 199 224 245 280 320 392 398 448 490 560 640 784 796 896 980 995 1,120 1,393 1,568 1,592 1,960 1,990 2,240 2,786 3,136 3,184 3,920 3,980 4,480 5,572 6,272 6,368 6,965 7,840 7,960 9,751 11,144 12,736 13,930 15,680 15,920 19,502 22,288 25,472 27,860 31,360 31,840 39,004 44,576 48,755 55,720 63,680 78,008 89,152 97,510 111,440 127,360 156,016 178,304 195,020 222,880 312,032 390,040 445,760 624,064 780,080 891,520 1,248,128 1,560,160 3,120,320 and 6,240,640, with no remainder.

Since 6,240,640 cannot be divided by just 1 and 6,240,640, 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).