hcf of 60,75,90
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Factors of 70 (Seventy) = 1, 2, 5, 14, 7, 10, 35 and 70. Therefore, common factor of 50 (Fifty) and 70 (Seventy) = 1, 2, 5, 10. Highest common factor (H.C.F) of 50 (Fifty) and 70 (Seventy) = 10.
90 = 3 x 3 x 2 x 5. H.C.F( 90, 144) = 2 x 3 x 3 = 18
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