Q: Is 7,715,640 a Composite Number?

Why is 7,715,640 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 7,715,640 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 113 120 226 339 452 565 569 678 904 1,130 1,138 1,356 1,695 1,707 2,260 2,276 2,712 2,845 3,390 3,414 4,520 4,552 5,690 6,780 6,828 8,535 11,380 13,560 13,656 17,070 22,760 34,140 64,297 68,280 128,594 192,891 257,188 321,485 385,782 514,376 642,970 771,564 964,455 1,285,940 1,543,128 1,928,910 2,571,880 3,857,820 and 7,715,640, with no remainder.

Since 7,715,640 cannot be divided by just 1 and 7,715,640, 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).