Respuesta :

tear1220

Answer:

3

Step-by-step explanation:

Factors of 15: 1, 3, 5, 15

Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24

Between these to factors only 1 and 3 is same factors and 3 is the greatest.

SO the GCF is 3.