Q: Is 142,471,245 a Prime Number?

 A: No, 142,471,245 is not a prime number.

Why is 142,471,245 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 142471245 can be evenly divided by 1 3 5 7 15 21 35 105 1,356,869 4,070,607 6,784,345 9,498,083 20,353,035 28,494,249 47,490,415 and 142,471,245, with no remainder.

Since 142,471,245 cannot be divided by just 1 and 142,471,245, it is not a prime number.


More Examples

Number 142,471,243142,471,244142,471,246142,471,247
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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