Answer:
3 is the GCF for 15 and 18
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.
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