Q: Is 120,145,155 a Prime Number?

 A: No, 120,145,155 is not a prime number.

Why is 120,145,155 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 120145155 can be evenly divided by 1 3 5 13 15 39 65 195 616,129 1,848,387 3,080,645 8,009,677 9,241,935 24,029,031 40,048,385 and 120,145,155, with no remainder.

Since 120,145,155 cannot be divided by just 1 and 120,145,155, it is not a prime number.


More Examples

Number 120,145,153120,145,154120,145,156120,145,157
Prime? yesnonono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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