Q: Is 315,210 a Composite Number?

 A: Yes, 315,210 is a composite number.

Why is 315,210 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 315,210 can be evenly divided by 1 2 3 5 6 7 10 14 15 19 21 30 35 38 42 57 70 79 95 105 114 133 158 190 210 237 266 285 395 399 474 553 570 665 790 798 1,106 1,185 1,330 1,501 1,659 1,995 2,370 2,765 3,002 3,318 3,990 4,503 5,530 7,505 8,295 9,006 10,507 15,010 16,590 21,014 22,515 31,521 45,030 52,535 63,042 105,070 157,605 and 315,210, with no remainder.

Since 315,210 cannot be divided by just 1 and 315,210, it is a composite number.


More Examples

Number 315,208315,209315,211315,212
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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