Question

Use Euclid's division algorithm to find the HCF of210 &55.

Answer 1

210=105(2)+0,55=11(5)+0 and hcf is 5

Answer 2

210=55*3+155
155=55*2+45
55=45*1+10
45=10*4+5
10=5*2+0

The h.cf is 5