Q: Is 10,421,520 a Composite Number?

Why is 10,421,520 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 10,421,520 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 173 240 251 346 502 519 692 753 865 1,004 1,038 1,255 1,384 1,506 1,730 2,008 2,076 2,510 2,595 2,768 3,012 3,460 3,765 4,016 4,152 5,020 5,190 6,024 6,920 7,530 8,304 10,040 10,380 12,048 13,840 15,060 20,080 20,760 30,120 41,520 43,423 60,240 86,846 130,269 173,692 217,115 260,538 347,384 434,230 521,076 651,345 694,768 868,460 1,042,152 1,302,690 1,736,920 2,084,304 2,605,380 3,473,840 5,210,760 and 10,421,520, with no remainder.

Since 10,421,520 cannot be divided by just 1 and 10,421,520, 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).