Q: Is 15,732,640 a Composite Number?

Why is 15,732,640 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 15,732,640 can be evenly divided by 1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 55 56 70 77 80 88 110 112 140 154 160 176 220 224 280 308 352 385 440 560 616 770 880 1,120 1,232 1,277 1,540 1,760 2,464 2,554 3,080 5,108 6,160 6,385 8,939 10,216 12,320 12,770 14,047 17,878 20,432 25,540 28,094 35,756 40,864 44,695 51,080 56,188 70,235 71,512 89,390 98,329 102,160 112,376 140,470 143,024 178,780 196,658 204,320 224,752 280,940 286,048 357,560 393,316 449,504 491,645 561,880 715,120 786,632 983,290 1,123,760 1,430,240 1,573,264 1,966,580 2,247,520 3,146,528 3,933,160 7,866,320 and 15,732,640, with no remainder.

Since 15,732,640 cannot be divided by just 1 and 15,732,640, 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).