diff --git a/stan/math/prim/fun/all.hpp b/stan/math/prim/fun/all.hpp
index e4c62aeb56e..34b603e8512 100644
--- a/stan/math/prim/fun/all.hpp
+++ b/stan/math/prim/fun/all.hpp
@@ -17,7 +17,9 @@ namespace math {
  * @return The input unchanged
  */
 template <typename T, require_integral_t<T>* = nullptr>
-constexpr inline T all(T x) { return x; }
+constexpr inline T all(T x) {
+  return x;
+}
 
 /**
  * Return true if all values in the input are true.
diff --git a/stan/math/prim/fun/any.hpp b/stan/math/prim/fun/any.hpp
index f14bdc140ea..8e97a93e9b0 100644
--- a/stan/math/prim/fun/any.hpp
+++ b/stan/math/prim/fun/any.hpp
@@ -17,7 +17,9 @@ namespace math {
  * @return The input unchanged
  */
 template <typename T, require_integral_t<T>* = nullptr>
-constexpr inline T any(T x) { return x; }
+constexpr inline T any(T x) {
+  return x;
+}
 
 /**
  * Return true if any values in the input are true.
diff --git a/stan/math/prim/fun/select.hpp b/stan/math/prim/fun/select.hpp
index 86cba879d42..cba1c0dd939 100644
--- a/stan/math/prim/fun/select.hpp
+++ b/stan/math/prim/fun/select.hpp
@@ -56,7 +56,7 @@ inline T_true_plain select(const bool c, const T_true y_true,
   check_matching_dims("select", "left hand side", y_true, "right hand side",
                       y_false);
   return c ? T_true_plain(std::forward<T_true>(y_true))
-            : T_true_plain(std::forward<T_false>(y_false));
+           : T_true_plain(std::forward<T_false>(y_false));
 }
 
 /**
@@ -148,8 +148,10 @@ template <typename T_bool, typename T_true, typename T_false,
           require_eigen_array_vt<std::is_integral, T_bool>* = nullptr,
           require_all_stan_scalar_t<T_true, T_false>* = nullptr>
 inline auto select(const T_bool c, const T_true y_true, const T_false y_false) {
-  return c.unaryExpr(
-    [y_true, y_false](bool cond) { return cond ? y_true : y_false; }).eval();
+  return c
+      .unaryExpr(
+          [y_true, y_false](bool cond) { return cond ? y_true : y_false; })
+      .eval();
 }
 
 /**
@@ -169,7 +171,7 @@ template <typename T_bool, typename T_true, typename T_false,
           require_any_eigen_array_t<T_true, T_false>* = nullptr>
 inline auto select(const T_bool c, const T_true y_true, const T_false y_false) {
   check_consistent_sizes("select", "boolean", c, "left hand side", y_true,
-                          "right hand side", y_false);
+                         "right hand side", y_false);
   return c.select(y_true, y_false).eval();
 }