Q: Is 1,978,368 a Composite Number?

Why is 1,978,368 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 1,978,368 can be evenly divided by 1 2 3 4 6 7 8 12 14 16 21 23 24 28 32 42 46 48 56 64 69 84 92 96 112 128 138 161 168 184 192 224 256 276 322 336 368 384 448 483 512 552 644 672 736 768 896 966 1,024 1,104 1,288 1,344 1,472 1,536 1,792 1,932 2,048 2,208 2,576 2,688 2,944 3,072 3,584 3,864 4,096 4,416 5,152 5,376 5,888 6,144 7,168 7,728 8,832 10,304 10,752 11,776 12,288 14,336 15,456 17,664 20,608 21,504 23,552 28,672 30,912 35,328 41,216 43,008 47,104 61,824 70,656 82,432 86,016 94,208 123,648 141,312 164,864 247,296 282,624 329,728 494,592 659,456 989,184 and 1,978,368, with no remainder.

Since 1,978,368 cannot be divided by just 1 and 1,978,368, 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).