Math Notes 144648 = 861 × 168 = 492 × 294 185472 = 672 × 276 = 384 × 483 9949716 = 2583 × 3852 = 1476 × 6741 16746912 = 2556 × 6552 = 4473 × 3744 June 22, 2007June 22, 2007 | Science & Math