Q: Is 42,221,439 a Prime Number?

 A: No, 42,221,439 is not a prime number.

Why is 42,221,439 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 42221439 can be evenly divided by 1 3 9 13 19 27 39 57 117 169 171 247 351 487 507 513 741 1,461 1,521 2,223 3,211 4,383 4,563 6,331 6,669 9,253 9,633 13,149 18,993 27,759 28,899 56,979 82,303 83,277 86,697 120,289 170,937 246,909 249,831 360,867 740,727 1,082,601 1,563,757 2,222,181 3,247,803 4,691,271 14,073,813 and 42,221,439, with no remainder.

Since 42,221,439 cannot be divided by just 1 and 42,221,439, it is not a prime number.


More Examples

  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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