Q: Is 20,126,520 a Composite Number?

Why is 20,126,520 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 20,126,520 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 37 40 45 60 72 74 90 111 120 148 180 185 222 296 333 360 370 444 555 666 740 888 1,110 1,332 1,480 1,511 1,665 2,220 2,664 3,022 3,330 4,440 4,533 6,044 6,660 7,555 9,066 12,088 13,320 13,599 15,110 18,132 22,665 27,198 30,220 36,264 45,330 54,396 55,907 60,440 67,995 90,660 108,792 111,814 135,990 167,721 181,320 223,628 271,980 279,535 335,442 447,256 503,163 543,960 559,070 670,884 838,605 1,006,326 1,118,140 1,341,768 1,677,210 2,012,652 2,236,280 2,515,815 3,354,420 4,025,304 5,031,630 6,708,840 10,063,260 and 20,126,520, with no remainder.

Since 20,126,520 cannot be divided by just 1 and 20,126,520, 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).