Longest Reduction powered by(view source)

Description Ex: 123 then: 1*2*3, 12*3=36 hence 3*6=18 one more reduction 1*8=8,and also 1*23=23,hence 2*3=6.
Input
Parameter Value Description
Longest Reduction Ex: 123 then: 1*2*3, 12*3=36 hence 3*6=18 one more reduction 1*8=8,and also 1*23=23,hence 2*3=6.
Output