Respuesta :

Answer:

GCF = 3

Step-by-step explanation:

Express the numbers as a product of their primes.

42 = 2 × 3 + 7

30 = 2 × 3 × 5

45 = 3 × 3 × 5

Identify the prime factors common to all 3 numbers.

common prime factor = 3 , thus

GCF = 3

okpalawalter8

We have that the greatest common factor of 42, 30, and 45​ is

[tex]D=56700[/tex]

From the Question we are told to find

common factor of 42, 30, and 45​

Generally the greatest common factor is given below

Hence

[tex]D=42*30* 45[/tex]

[tex]D=56700[/tex]

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