static int maxPrimefactorNum ( int N ) {
  int arr [ ] = new int [ N + 5 ] ;
  Arrays . fill ( arr , 0 ) ;
  for ( int i = 2 ;
  i * i <= N ;
  i ++ ) {
    if ( arr [ i ] == 0 ) {
      for ( int j = 2 * i ;
      j <= N ;
      j += i ) {
        arr [ j ] ++ ;
      }
    }
    arr [ i ] = 1 ;
  }
  int maxval = 0 , maxint = 1 ;
  for ( int i = 1 ;
  i <= N ;
  i ++ ) {
    if ( arr [ i ] > maxval ) {
      maxval = arr [ i ] ;
      maxint = i ;
    }
  }
  return maxint ;
}

static int maxPrimefactorNum ( int N ) { int arr [ ] = new int [ N + 5 ] ; Arrays . fill ( arr , 0 ) ; for ( int i = 2 ; i * i <= N ; i ++ ) { if ( arr [ i ] == 0 ) { for ( int j = 2 * i ; j <= N ; j += i ) { arr [ j ] ++ ; } } arr [ i ] = 1 ; } int maxval = 0 , maxint = 1 ; for ( int i = 1 ; i <= N ; i ++ ) { if ( arr [ i ] > maxval ) { maxval = arr [ i ] ; maxint = i ; } } return maxint ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) dimensions: (dimensions) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (binary_expression left: (identifier) right: (decimal_integer_literal)))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (decimal_integer_literal)))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (decimal_integer_literal))) consequence: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (decimal_integer_literal) right: (identifier)))) condition: (binary_expression left: (identifier) right: (identifier)) update: (assignment_expression left: (identifier) right: (identifier)) body: (block (expression_statement (update_expression (array_access array: (identifier) index: (identifier)))))))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (decimal_integer_literal))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (identifier))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (array_access array: (identifier) index: (identifier)))) (expression_statement (assignment_expression left: (identifier) right: (identifier))))))) (return_statement (identifier))))