Q: Is 42,210,500 a Prime Number?

 A: No, 42,210,500 is not a prime number.

Why is 42,210,500 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 42210500 can be evenly divided by 1 2 4 5 10 20 25 50 100 125 250 500 84,421 168,842 337,684 422,105 844,210 1,688,420 2,110,525 4,221,050 8,442,100 10,552,625 21,105,250 and 42,210,500, with no remainder.

Since 42,210,500 cannot be divided by just 1 and 42,210,500, it is not a prime number.


More Examples

Number 42,210,49842,210,49942,210,50142,210,502
Prime? nononono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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