Q: Is 397,824 a Composite Number?

Why is 397,824 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 397,824 can be evenly divided by 1 2 3 4 6 7 8 12 14 16 21 24 28 32 37 42 48 56 64 74 84 96 111 112 128 148 168 192 222 224 256 259 296 336 384 444 448 512 518 592 672 768 777 888 896 1,036 1,184 1,344 1,536 1,554 1,776 1,792 2,072 2,368 2,688 3,108 3,552 3,584 4,144 4,736 5,376 6,216 7,104 8,288 9,472 10,752 12,432 14,208 16,576 18,944 24,864 28,416 33,152 49,728 56,832 66,304 99,456 132,608 198,912 and 397,824, with no remainder.

Since 397,824 cannot be divided by just 1 and 397,824, 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).