Q: Is 776,720 a Composite Number?

Why is 776,720 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 776,720 can be evenly divided by 1 2 4 5 7 8 10 14 16 19 20 28 35 38 40 56 70 73 76 80 95 112 133 140 146 152 190 266 280 292 304 365 380 511 532 560 584 665 730 760 1,022 1,064 1,168 1,330 1,387 1,460 1,520 2,044 2,128 2,555 2,660 2,774 2,920 4,088 5,110 5,320 5,548 5,840 6,935 8,176 9,709 10,220 10,640 11,096 13,870 19,418 20,440 22,192 27,740 38,836 40,880 48,545 55,480 77,672 97,090 110,960 155,344 194,180 388,360 and 776,720, with no remainder.

Since 776,720 cannot be divided by just 1 and 776,720, 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).