human
What is a code to number with maximum number of prime factors and the other steps required given the following:
Number with maximum number of prime factors | Return smallest number having maximum prime factors ..
default value of boolean is false.
Sieve of eratosthenes.
Storing prime numbers ..
Generating number having maximum prime factors ..
Driver Code"
How can the above be solved in Python?
assistant
#Here is code to number with maximum number of prime factors and the other steps required.
 def maxPrimefactorNum ( N ) :
	arr = [ True ] * ( N + 5 ) ;
	i = 3 ;
	while ( i * i <= N ) :
		if ( arr [ i ] ) :
			for j in range ( i * i , N + 1 , i ) :
				arr [ j ] = False ;
		i += 2 ;
	prime = [ ] ;
	prime . append ( 2 ) ;
	for i in range ( 3 , N + 1 , 2 ) :
		if ( arr [ i ] ) :
			prime . append ( i ) ;
	i = 0 ;
	ans = 1 ;
	while ( ans * prime [ i ] <= N and i < len ( prime ) ) :
		ans *= prime [ i ] ;
		i += 1 ;
	return ans ;
N = 40 ;
print ( maxPrimefactorNum ( N ) ) ;