Answer:
9
Explanation:
3 27 2 18
3 9 3 9
3 3 3 3
1 1
27=3×3×3×1
18=2×3×3×1
H.C.F= 3×3×1
=9. ans.
27:
1,3,9, 27
18:
1,2,3,6,9, 18
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