Q: Is 12,420,864 a Composite Number?

Why is 12,420,864 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 12,420,864 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 256 288 324 384 432 576 599 648 768 864 1,152 1,198 1,296 1,728 1,797 2,304 2,396 2,592 3,456 3,594 4,792 5,184 5,391 6,912 7,188 9,584 10,368 10,782 14,376 16,173 19,168 20,736 21,564 28,752 32,346 38,336 43,128 48,519 57,504 64,692 76,672 86,256 97,038 115,008 129,384 153,344 172,512 194,076 230,016 258,768 345,024 388,152 460,032 517,536 690,048 776,304 1,035,072 1,380,096 1,552,608 2,070,144 3,105,216 4,140,288 6,210,432 and 12,420,864, with no remainder.

Since 12,420,864 cannot be divided by just 1 and 12,420,864, 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).