Respuesta :

Answer:

LCM(30;105)=210: least common multiple, calculated.

Step-by-step explanation:

30= 2x3x5

30 is not a prime, is a composite number;

105=3x5x7;

105 is not a prime, is a composite number;

*Positive integers that are only dividing by themselves and 1 are called prime numbers. A prime number has only two factors: 1 and Itself.

* A composite number is a positive integer that has at least one factor (divisor) other than 1 and itself.