Q: Is 4,243,840 a Composite Number?

Why is 4,243,840 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 4,243,840 can be evenly divided by 1 2 4 5 8 10 16 19 20 32 38 40 64 76 80 95 128 152 160 190 304 320 349 380 608 640 698 760 1,216 1,396 1,520 1,745 2,432 2,792 3,040 3,490 5,584 6,080 6,631 6,980 11,168 12,160 13,262 13,960 22,336 26,524 27,920 33,155 44,672 53,048 55,840 66,310 106,096 111,680 132,620 212,192 223,360 265,240 424,384 530,480 848,768 1,060,960 2,121,920 and 4,243,840, with no remainder.

Since 4,243,840 cannot be divided by just 1 and 4,243,840, 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).