Q: Is 630,420 a Composite Number?

Why is 630,420 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 630,420 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 19 20 21 28 30 35 38 42 57 60 70 76 79 84 95 105 114 133 140 158 190 210 228 237 266 285 316 380 395 399 420 474 532 553 570 665 790 798 948 1,106 1,140 1,185 1,330 1,501 1,580 1,596 1,659 1,995 2,212 2,370 2,660 2,765 3,002 3,318 3,990 4,503 4,740 5,530 6,004 6,636 7,505 7,980 8,295 9,006 10,507 11,060 15,010 16,590 18,012 21,014 22,515 30,020 31,521 33,180 42,028 45,030 52,535 63,042 90,060 105,070 126,084 157,605 210,140 315,210 and 630,420, with no remainder.

Since 630,420 cannot be divided by just 1 and 630,420, 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).