Q: Is 102,421,143 a Prime Number?

 A: No, 102,421,143 is not a prime number.

Why is 102,421,143 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 102421143 can be evenly divided by 1 3 9 11 33 37 99 111 333 407 1,221 3,663 27,961 83,883 251,649 307,571 922,713 1,034,557 2,768,139 3,103,671 9,311,013 11,380,127 34,140,381 and 102,421,143, with no remainder.

Since 102,421,143 cannot be divided by just 1 and 102,421,143, 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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