Q: Is 642,140 a Composite Number?

 A: Yes, 642,140 is a composite number.

Why is 642,140 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 642,140 can be evenly divided by 1 2 4 5 10 20 97 194 331 388 485 662 970 1,324 1,655 1,940 3,310 6,620 32,107 64,214 128,428 160,535 321,070 and 642,140, with no remainder.

Since 642,140 cannot be divided by just 1 and 642,140, it is a composite number.


More Examples

Number 642,138642,139642,141642,142
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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