Respuesta :

iciclepiano18

Answer:

1

Step-by-step explanation:

Let's start by prime factorizing (finding the prime factors) of 16 and 21:

[tex]16=4*4=2*2*2*2=2^4[/tex]

[tex]21=3*7[/tex]

We can see that they DO NOT have any common factors, meaning that their greatest common factor is 1.

Answer:

1

Step-by-step explanation:

The GFC of 16 and 21 is 1 because 1 is the only number they have in common, or the same.

I hope it helps! Have a great day!

Lilac~

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