Respuesta :
6 because it is the greatest number that both can be divided by
Find the prime factorization of both:
18=
2*9
2*3*3
42=
2*21
2*3*7
Multiply the factors that both numbers have: 2*3=6
Final answer: 6
18=
2*9
2*3*3
42=
2*21
2*3*7
Multiply the factors that both numbers have: 2*3=6
Final answer: 6