Q: Is 17,847,680 a Composite Number?

Why is 17,847,680 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 17,847,680 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 79 80 128 158 160 316 320 353 395 632 640 706 790 1,264 1,412 1,580 1,765 2,528 2,824 3,160 3,530 5,056 5,648 6,320 7,060 10,112 11,296 12,640 14,120 22,592 25,280 27,887 28,240 45,184 50,560 55,774 56,480 111,548 112,960 139,435 223,096 225,920 278,870 446,192 557,740 892,384 1,115,480 1,784,768 2,230,960 3,569,536 4,461,920 8,923,840 and 17,847,680, with no remainder.

Since 17,847,680 cannot be divided by just 1 and 17,847,680, 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).