Q: Is 135,421,143 a Prime Number?

 A: No, 135,421,143 is not a prime number.

Why is 135,421,143 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 135421143 can be evenly divided by 1 3 11 13 33 39 121 143 363 429 1,573 4,719 28,697 86,091 315,667 373,061 947,001 1,119,183 3,472,337 4,103,671 10,417,011 12,311,013 45,140,381 and 135,421,143, with no remainder.

Since 135,421,143 cannot be divided by just 1 and 135,421,143, it is not a prime number.


More Examples

Number 135,421,141135,421,142135,421,144135,421,145
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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