Q: Is 7,729,380 a Composite Number?

Why is 7,729,380 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 7,729,380 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 23 30 36 45 46 60 69 90 92 115 138 180 207 230 276 345 414 460 690 828 1,035 1,380 1,867 2,070 3,734 4,140 5,601 7,468 9,335 11,202 16,803 18,670 22,404 28,005 33,606 37,340 42,941 56,010 67,212 84,015 85,882 112,020 128,823 168,030 171,764 214,705 257,646 336,060 386,469 429,410 515,292 644,115 772,938 858,820 1,288,230 1,545,876 1,932,345 2,576,460 3,864,690 and 7,729,380, with no remainder.

Since 7,729,380 cannot be divided by just 1 and 7,729,380, 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).