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Highest common factor of 378 and 198
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Highest common factor of 378 and 198

User Teovald
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Gcf of 378 and 198 is 18
User PeterN
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2 votes

Answer:

The greatest common factor (GCF) of 378 and 198 is 18.

Explanation:

Find the prime factorization of 378

378 = 2 × 3 × 3 × 3 × 7

Find the prime factorization of 198

198 = 2 × 3 × 3 × 11

To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 2 × 3 × 3

GCF = 18

User Danger
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