hcf of 5 and 30, gcf of 5 and 30, hcf of 5 and 20, hcf of 5 and 40, hcf of 5 and 10, hcf of 5 and 100, hcf of 5 and 35, hcf of 5 and 36, hcf of 5 and 0, hcf of 5 and 15, hcf of 5 and 50
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