text: Program to find the product of a number with a Mersenne Number | Python3 program for the above approach ; Function to find prodcut of a Mersenne number with another number ; Stores the power of 2 of integer M + 1 ; Return the product ; Driver Code
code: import math NEW_LINE def multiplyByMersenne ( N , M ) : NEW_LINE INDENT x = int ( math . log2 ( M + 1 ) ) NEW_LINE return ( ( N << x ) - N ) NEW_LINE DEDENT N = 4 NEW_LINE M = 15 NEW_LINE print ( multiplyByMersenne ( N , M ) ) NEW_LINE