It Depends
Depending on the species, a centipede can have as few as 15 pairs of legs or as many as 191 pairs. However, regardless of the species, centipedes always have an odd number of leg pairs. Therefore, they never have exactly 100 legs.
In fact, the house centipede will keep growing legs throughout its entire lifetime. The common house centipede can live as long as five to six years, so that’s a lot of legs. But how are centipedes at parenting?