Q: Is 100,100,155 a Prime Number?

 A: No, 100,100,155 is not a prime number.

Why is 100,100,155 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 100100155 can be evenly divided by 1 5 73 139 365 695 1,973 9,865 10,147 50,735 144,029 274,247 720,145 1,371,235 20,020,031 and 100,100,155, with no remainder.

Since 100,100,155 cannot be divided by just 1 and 100,100,155, it is not a prime number.


More Examples

Number 100,100,153100,100,154100,100,156100,100,157
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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