From: On the inclusion of prime factors to calculate the theoretical lower bounds in multiplierless single constant multiplications
Word length
Total
L EA  = 1
L EA  = 2
L EA  = 3
(B = 14)-bits
19.6%
19.4%
0.2%
0%
(14 < B ≤ 32)-bits
33.36%
32.08%
1.14%
0.14%