229

301\equiv1\left(mod\ 10\right)
301^{301}\equiv1^{301}=1\left(mod\ 10\right)
199^{100}\equiv\left(-1\right)^{100}=1\left(mod\ 10\right)
872\equiv2\left(mod\ 10\right)
872^3\equiv2^3=8\left(mod\ 10\right)