Q: Is 70,449,920 a Composite Number?

Why is 70,449,920 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 70,449,920 can be evenly divided by 1 2 4 5 8 10 16 20 23 32 40 46 64 80 92 115 128 160 184 230 256 320 368 460 640 736 920 1,280 1,472 1,840 2,393 2,944 3,680 4,786 5,888 7,360 9,572 11,965 14,720 19,144 23,930 29,440 38,288 47,860 55,039 76,576 95,720 110,078 153,152 191,440 220,156 275,195 306,304 382,880 440,312 550,390 612,608 765,760 880,624 1,100,780 1,531,520 1,761,248 2,201,560 3,063,040 3,522,496 4,403,120 7,044,992 8,806,240 14,089,984 17,612,480 35,224,960 and 70,449,920, with no remainder.

Since 70,449,920 cannot be divided by just 1 and 70,449,920, 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).