11 5 x 7 5 July 8, 2019 16 32 64 128 11 5 32 x 7 5 24 11 7 5 7 x 5 4 5 7 x ∙ 8 5 11 9 5 7 x 5 11 as a fraction 11 /( x 5 7 /( x 2 5x 5 x 11 3 2 x 7 5 7 3 x 11 5 5 6 5 x 7 x 11 7 x 5 are composite number 4x 5 x 7 5x 11 7 5 x )= 11 5x 2x 7 )( x 5 )( 5x 11 )= 0 11 4 7 x 5x 2 2 5
