Q: Is 820,420 a Composite Number?

 A: Yes, 820,420 is a composite number.

Why is 820,420 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 820,420 can be evenly divided by 1 2 4 5 10 17 19 20 34 38 68 76 85 95 127 170 190 254 323 340 380 508 635 646 1,270 1,292 1,615 2,159 2,413 2,540 3,230 4,318 4,826 6,460 8,636 9,652 10,795 12,065 21,590 24,130 41,021 43,180 48,260 82,042 164,084 205,105 410,210 and 820,420, with no remainder.

Since 820,420 cannot be divided by just 1 and 820,420, it is a composite number.


More Examples

Number 820,418820,419820,421820,422
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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