Q: Is 401,011,143 a Prime Number?

 A: No, 401,011,143 is not a prime number.

Why is 401,011,143 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 401011143 can be evenly divided by 1 3 13 37 39 111 169 481 507 1,443 6,253 18,759 21,377 64,131 277,901 790,949 833,703 2,372,847 3,612,713 10,282,337 10,838,139 30,847,011 133,670,381 and 401,011,143, with no remainder.

Since 401,011,143 cannot be divided by just 1 and 401,011,143, 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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