Q: Is 2,574,040 a Composite Number?

Why is 2,574,040 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 2,574,040 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 29 35 40 56 58 70 116 140 145 203 232 280 290 317 406 580 634 812 1,015 1,160 1,268 1,585 1,624 2,030 2,219 2,536 3,170 4,060 4,438 6,340 8,120 8,876 9,193 11,095 12,680 17,752 18,386 22,190 36,772 44,380 45,965 64,351 73,544 88,760 91,930 128,702 183,860 257,404 321,755 367,720 514,808 643,510 1,287,020 and 2,574,040, with no remainder.

Since 2,574,040 cannot be divided by just 1 and 2,574,040, 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).