Is 4.0 a natural number set?
No, 4.0 is a decimal
A non-zero natural number has at least () factors
A non-zero natural number has at least (1) factors
This is my answer,
In non-zero natural numbers, the one with the least number of factors is______ It only has______ There are three factors
In the non-zero natural number, the least number of factors is 1, it has only one factor. So the answer is: 1, 1