static Vector < Integer > getFactorization ( int x ) {
  Vector < Integer > ret = new Vector < > ( ) ;
  while ( x != 1 ) {
    ret . add ( spf [ x ] ) ;
    x = x / spf [ x ] ;
  }
  return ret ;
}

static Vector < Integer > getFactorization ( int x ) { Vector < Integer > ret = new Vector < > ( ) ; while ( x != 1 ) { ret . add ( spf [ x ] ) ; x = x / spf [ x ] ; } return ret ; }
(method_declaration (modifiers) type: (generic_type (type_identifier) (type_arguments (type_identifier))) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (generic_type (type_identifier) (type_arguments (type_identifier))) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (generic_type (type_identifier) (type_arguments)) arguments: (argument_list)))) (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) body: (block (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier))))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (array_access array: (identifier) index: (identifier))))))) (return_statement (identifier))))