Respuesta :

abcdefdfgfghh

Answer:

6

Step-by-step explanation:

Use prime factorization;

30 = 2 * 3* 5

18 = 2 * 3 * 3

Both of these numbers have ( 2 * 3 ) in common, ( 2 *  3 = 6 ), hence their highest common factor (greatest common factor) is 6.

mumsy

Answer: the common factor is 6

Step-by-step explanation:

the factor of 30=1x2x3x5

the factor of 18=1x2x3x3

the numbers that are common for both numbers are1, 2 and 3