Respuesta :

Answer: GCF = 1

Step-by-step explanation:

A factor is a whole number that when multiplied by another whole number equal given number.

Factors of 19: 1 and 19

Factors of 13: 1 and 13

The only factor the two numbers have in common is 1

Answer:

The GCF of 19 and 13 is 1

Step-by-step explanation:

The only number 19 and 13 have in common is one