Respuesta :

ShyzaSling

Answer:

3

Step-by-step explanation:

Given in the question two integers

15 and 42

GCF

3 | 42 , 15

  | 14 , 5

The factors of 15 are: 1, 3, 5, 15

The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42

Since , only 3 is common so the greatest common factor is 3.

kudzordzifrancis

Answer:

GCF=3

Step-by-step explanation:

The given numbers are;

We express each number as product of primes to obtain

[tex]15=3\times 5[/tex]

and

[tex]42=2\times3\times7[/tex]

The greatest common factor is the product of the least powers of the common factors.

[tex]GCF=3[/tex]

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