hcf of 8 and 72, gcf of 8 and 72, hcf of 8 and 32, hcf of 8 and 20, hcf of 8 and 24, hcf of 8 and 28, hcf of 8 and 22, hcf of 8 and 21, hcf of 8 and 25, hcf of 8 and 20 answer, hcf of 8 and 26, hcf of 8 and 20#, hcf of 8 and 36
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