Q: Is 1,210,240 a Composite Number?

Why is 1,210,240 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 1,210,240 can be evenly divided by 1 2 4 5 8 10 16 20 31 32 40 61 62 64 80 122 124 128 155 160 244 248 305 310 320 488 496 610 620 640 976 992 1,220 1,240 1,891 1,952 1,984 2,440 2,480 3,782 3,904 3,968 4,880 4,960 7,564 7,808 9,455 9,760 9,920 15,128 18,910 19,520 19,840 30,256 37,820 39,040 60,512 75,640 121,024 151,280 242,048 302,560 605,120 and 1,210,240, with no remainder.

Since 1,210,240 cannot be divided by just 1 and 1,210,240, 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).