Find the greatest common factor (GCF) of 56 and 70.Group of answer choices4543414
Question
Find the greatest common factor (GCF) of 56 and 70.
- Group of answer choices:
- 45
- 43
- 41
- 4
Solution
Sure, here are the steps to find the greatest common factor (GCF) of 56 and 70:
Step 1: List the prime factors of each number.
- The prime factors of 56 are 2, 2, 2, 7 (because 222*7 = 56)
- The prime factors of 70 are 2, 5, 7 (because 257 = 70)
Step 2: Identify the common factors.
- The common factors of 56 and 70 are 2 and 7.
Step 3: Multiply the common factors.
- The GCF is 2*7 = 14.
So, the greatest common factor of 56 and 70 is 14.
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