Q: Is 12,743,680 a Composite Number?

Why is 12,743,680 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 12,743,680 can be evenly divided by 1 2 4 5 8 10 16 19 20 32 38 40 64 76 80 95 128 131 152 160 190 256 262 304 320 380 512 524 608 640 655 760 1,024 1,048 1,216 1,280 1,310 1,520 2,096 2,432 2,489 2,560 2,620 3,040 4,192 4,864 4,978 5,120 5,240 6,080 8,384 9,728 9,956 10,480 12,160 12,445 16,768 19,456 19,912 20,960 24,320 24,890 33,536 39,824 41,920 48,640 49,780 67,072 79,648 83,840 97,280 99,560 134,144 159,296 167,680 199,120 318,592 335,360 398,240 637,184 670,720 796,480 1,274,368 1,592,960 2,548,736 3,185,920 6,371,840 and 12,743,680, with no remainder.

Since 12,743,680 cannot be divided by just 1 and 12,743,680, 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).