public static void main ( String args [ ] ) {
  FScanner in = new FScanner ( ) ;
  PrintWriter out = new PrintWriter ( System . out ) ;
  int t = in . nextInt ( ) ;
  while ( t -- > 0 ) {
    long n = in . nextLong ( ) ;
    int c = 0 ;
    while ( n % 5 == 0 ) {
      n = ( n / 5 ) * 4 ;
      c ++ ;
    }
    while ( n % 3 == 0 ) {
      n = ( n / 3 ) * 2 ;
      c ++ ;
    }
    while ( n % 2 == 0 ) {
      n = ( n / 2 ) ;
      c ++ ;
    }
    if ( n != 1 ) out . println ( "-1" ) ;
    else out . println ( c ) ;
  }
  out . close ( ) ;
}

public static void main ( String args [ ] ) { FScanner in = new FScanner ( ) ; PrintWriter out = new PrintWriter ( System . out ) ; int t = in . nextInt ( ) ; while ( t -- > 0 ) { long n = in . nextLong ( ) ; int c = 0 ; while ( n % 5 == 0 ) { n = ( n / 5 ) * 4 ; c ++ ; } while ( n % 3 == 0 ) { n = ( n / 3 ) * 2 ; c ++ ; } while ( n % 2 == 0 ) { n = ( n / 2 ) ; c ++ ; } if ( n != 1 ) out . println ( " - 1" ) ; else out . println ( c ) ; } out . close ( ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier) dimensions: (dimensions))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list)))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (while_statement condition: (parenthesized_expression (binary_expression left: (update_expression (identifier)) right: (decimal_integer_literal))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (while_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) body: (block (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (decimal_integer_literal)))) (expression_statement (update_expression (identifier))))) (while_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) body: (block (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (decimal_integer_literal)))) (expression_statement (update_expression (identifier))))) (while_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) body: (block (expression_statement (assignment_expression left: (identifier) right: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))))) (expression_statement (update_expression (identifier))))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal)))) alternative: (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))