Respuesta :

Answer:   40

Step-by-step explanation:

The greatest number that multiplies into both of these numbers is 40;

40 goes into itself 1 time --->  40 * 1 = 40

40 goes into 80 2 times ---->  40 * 2 = 80

Hello!

Answer: The greatest common factor 40 and 80 is 40.

Step-by-step explanation:

First you had to find the prime factorization of 40.

[tex]5*2*2*2=40[/tex]

Then, you find the prime factorization of 80.

[tex]5*2*2*2*2=80[/tex]

Factors of 40: 1, 2, 4, 5, 8, 10, 20, 40

Factors of 80: 1, 2, 4, 5, 8, 10, 20, 40, 80

Multiply all the prime factors common to both numbers.

[tex]5*2*2*2=40[/tex]

Hope this helps!

Thank you for posting your question at here on brainly.

-Charlie

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