Q: Is 61,306,400 a Composite Number?

Why is 61,306,400 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 61,306,400 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 197 200 389 394 400 778 788 800 985 1,556 1,576 1,945 1,970 3,112 3,152 3,890 3,940 4,925 6,224 6,304 7,780 7,880 9,725 9,850 12,448 15,560 15,760 19,450 19,700 31,120 31,520 38,900 39,400 62,240 76,633 77,800 78,800 153,266 155,600 157,600 306,532 311,200 383,165 613,064 766,330 1,226,128 1,532,660 1,915,825 2,452,256 3,065,320 3,831,650 6,130,640 7,663,300 12,261,280 15,326,600 30,653,200 and 61,306,400, with no remainder.

Since 61,306,400 cannot be divided by just 1 and 61,306,400, 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).