Q: Is 630,540 a Composite Number?

Why is 630,540 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 630,540 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 31 36 45 60 62 90 93 113 124 155 180 186 226 279 310 339 372 452 465 558 565 620 678 930 1,017 1,116 1,130 1,356 1,395 1,695 1,860 2,034 2,260 2,790 3,390 3,503 4,068 5,085 5,580 6,780 7,006 10,170 10,509 14,012 17,515 20,340 21,018 31,527 35,030 42,036 52,545 63,054 70,060 105,090 126,108 157,635 210,180 315,270 and 630,540, with no remainder.

Since 630,540 cannot be divided by just 1 and 630,540, 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).