text: Sum of prime numbers without odd prime digits | Python3 program for above approach ; Find all prime numbers ; Store all prime numbers ; Function to check if a digit is odd prime or not ; Function to find sum ; To store required answer ; Get all prime numbers ; Traverse through all the prime numbers ; Flag stores 1 if a number does not contain any odd primes ; Find all digits of a number ; If number does not contain any odd primes ; Return the required answer ; Driver code ; Function call
code: MAX = 100005 NEW_LINE def addPrimes ( ) : NEW_LINE INDENT n = MAX NEW_LINE prime = [ True for i in range ( n + 1 ) ] NEW_LINE for p in range ( 2 , n + 1 ) : NEW_LINE INDENT if p * p > n : NEW_LINE INDENT break NEW_LINE DEDENT if ( prime [ p ] == True ) : NEW_LINE INDENT for i in range ( 2 * p , n + 1 , p ) : NEW_LINE INDENT prime [ i ] = False NEW_LINE DEDENT DEDENT DEDENT ans = [ ] NEW_LINE for p in range ( 2 , n + 1 ) : NEW_LINE INDENT if ( prime [ p ] ) : NEW_LINE INDENT ans . append ( p ) NEW_LINE DEDENT DEDENT return ans NEW_LINE DEDENT def is_prime ( n ) : NEW_LINE INDENT if n in [ 3 , 5 , 7 ] : NEW_LINE INDENT return True NEW_LINE DEDENT return False NEW_LINE DEDENT def find_Sum ( n ) : NEW_LINE INDENT Sum = 0 NEW_LINE v = addPrimes ( ) NEW_LINE for i in range ( len ( v ) ) : NEW_LINE INDENT flag = 1 NEW_LINE a = v [ i ] NEW_LINE while ( a != 0 ) : NEW_LINE INDENT d = a % 10 ; NEW_LINE a = a // 10 ; NEW_LINE if ( is_prime ( d ) ) : NEW_LINE INDENT flag = 0 NEW_LINE break NEW_LINE DEDENT DEDENT if ( flag == 1 ) : NEW_LINE INDENT n -= 1 NEW_LINE Sum = Sum + v [ i ] NEW_LINE DEDENT if n == 0 : NEW_LINE INDENT break NEW_LINE DEDENT DEDENT return Sum NEW_LINE DEDENT n = 7 NEW_LINE print ( find_Sum ( n ) ) NEW_LINE