No, the sentence "Luis calls his grandmother every week" is transitive. It has a subject (Luis), a verb (calls), and an object (his grandmother).
No, the sentence "Luis calls his grandmother every week" is not intransitive. Intransitive verbs do not require an object, but in this case, "grandmother" is the object of the verb "calls." Therefore, the verb "calls" is transitive because it has a direct object.
