Answered

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What is the greatest common factor of 45, 15, and 42?

Sagot :

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Answer: 3 is the answer for all of them

Step-by-step explanation:

GCF = 3

for the values 15, 42, 45

Solution by Factorization:

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

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

The factors of 45 are: 1, 3, 5, 9, 15, 45

Then the greatest common factor is 3.

You can also find the GCF using

Prime Factorization or Euclid's Algorithm.

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