Question

hcf of 70 and 1890 find solution

Answer 1

70) 1890 (27
140
______
×490
490
______
×××
_______

H.C.F.= 27

Answer 2

70=2×35. 1890=2×945
=2×5×7 =2×3×315
=2×3×3×104
=2×3×3×2×52
=2×3×3×2×2×26
=2×3×3×2×2×2×13
comman facter=2