Question

3. Write all
Write the common factors of
1. 15 and 27
2. 20
two common​

Answer 1

Answer:

Step-by-step explanation:

Greatest Common Factor of 15 and 27. Greatest common factor (GCF) of 15 and 27 is 3. We will now calculate the prime factors of 15 and 27, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15 and 27.

The prime factors of 20 are 2 x 2 x 5. 9 and 20 have no prime factors in common. The greatest common factor is 1.

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