Q: Is 2,461,640 a Composite Number?

Why is 2,461,640 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 2,461,640 can be evenly divided by 1 2 4 5 8 10 19 20 38 40 41 76 79 82 95 152 158 164 190 205 316 328 380 395 410 632 760 779 790 820 1,501 1,558 1,580 1,640 3,002 3,116 3,160 3,239 3,895 6,004 6,232 6,478 7,505 7,790 12,008 12,956 15,010 15,580 16,195 25,912 30,020 31,160 32,390 60,040 61,541 64,780 123,082 129,560 246,164 307,705 492,328 615,410 1,230,820 and 2,461,640, with no remainder.

Since 2,461,640 cannot be divided by just 1 and 2,461,640, 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).