Q: Is 782,640 a Composite Number?

Why is 782,640 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 782,640 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 1,087 2,174 3,261 4,348 5,435 6,522 8,696 9,783 10,870 13,044 16,305 17,392 19,566 21,740 26,088 32,610 39,132 43,480 48,915 52,176 65,220 78,264 86,960 97,830 130,440 156,528 195,660 260,880 391,320 and 782,640, with no remainder.

Since 782,640 cannot be divided by just 1 and 782,640, 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).