Question

H.C.F. of 15 and 19 is

Answer 1

Answer:

15= 3 * 5

19= 1 * 19

HCF= 15 * 19

= 285

Answer 2

H.C.F. of 15 and 19 is 1

15 =1×3×5

19 = 1×19

They have no common factor i.e. 1