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The greatest common factor for 15 and 18 is 3

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Answer:

3 is the GCF for 15 and 18

Step-by-step explanation:

Q) GCF for 15 and 18?

Possible factors are,

→ 15 = 3 × 5

→ 18 = 2 × 3 × 3

Common factor is,

→ 3 (in 15 and 18)

Hence, 3 is the GCF for 15 and 18.