Q: Is 87,218,240 a Composite Number?

Why is 87,218,240 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 87,218,240 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 160 191 320 382 764 955 1,427 1,528 1,910 2,854 3,056 3,820 5,708 6,112 7,135 7,640 11,416 12,224 14,270 15,280 22,832 28,540 30,560 45,664 57,080 61,120 91,328 114,160 228,320 272,557 456,640 545,114 1,090,228 1,362,785 2,180,456 2,725,570 4,360,912 5,451,140 8,721,824 10,902,280 17,443,648 21,804,560 43,609,120 and 87,218,240, with no remainder.

Since 87,218,240 cannot be divided by just 1 and 87,218,240, 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).