Carry out the following division:
66pq2r3 11qr2
We have           66pq2r3 = 2 × 3 × 11 × p × q × q × r × r × r
and                      11qr2 = 11 × q × r × r
∴         66pq2r3 11qr2 =
                                  =
                                  =