Fractran champions

In this article we focus on the longest running Fractran programs containing a specific number of fractions and primes.

Champions with 1 fraction

Primes used	Max runtime	Example champion(s)	First champion's vector representation	Champion found	Notes
1	1	[1/2]	$\left[\begin{array}{c}-1\end{array}\right]$
2	1	[3/2]	$\left[\begin{array}{cc}-1& 1\end{array}\right]$
3	1	[9/2]	$\left[\begin{array}{cc}-1& 2\end{array}\right]$
4	1	[27/2]	$\left[\begin{array}{cc}-1& 3\end{array}\right]$
5	1	[81/2]	$\left[\begin{array}{cc}-1& 4\end{array}\right]$
n	1	$[3^{n-1}/2]$	$\left[\begin{array}{cc}-1& n-1\end{array}\right]$