public function lcmm( $args )
	 {
		if( count( $args ) )
		{
		 	$gcd = $this->gcdm( $args );
			$m = 1;
			foreach( $args as $arg )
				$m *= $arg;
			$r = $m / $gcd;
			return $r;
		}
		return false;
	}