Q: Is 2,167,290 a Composite Number?

Why is 2,167,290 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 2,167,290 can be evenly divided by 1 2 3 5 6 9 10 15 18 23 27 30 45 46 54 69 90 115 135 138 207 230 270 345 349 414 621 690 698 1,035 1,047 1,242 1,745 2,070 2,094 3,105 3,141 3,490 5,235 6,210 6,282 8,027 9,423 10,470 15,705 16,054 18,846 24,081 31,410 40,135 47,115 48,162 72,243 80,270 94,230 120,405 144,486 216,729 240,810 361,215 433,458 722,430 1,083,645 and 2,167,290, with no remainder.

Since 2,167,290 cannot be divided by just 1 and 2,167,290, 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).