H.C.F of 17, 34 and 51 is:
34
51
17
1
17 = 1 x 17
34 = 2 x 17
51 = 3 x 17
Therefore, the highest common factor is 17.
Factorise :
17a6b8−34a4b6+51a2b4
Find the HCF of 51 and 255, and express in the form 255x+51y.