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+---
+title: math.MaxInt64
+description: Returns the maximum value for a signed 64-bit integer.
+categories: []
+keywords: []
+params:
+  functions_and_methods:
+    aliases: []
+    returnType: int64
+    signatures: [math.MaxInt64]
+---
+
+{{< new-in 0.148.0 />}}
+
+```go-html-template
+{{ math.MaxInt64 }} → 9223372036854775807
+```
+
+This function is helpful for simulating a loop that continues indefinitely until a break condition is met. For example:
+
+```go-html-template
+{{ range math.MaxInt64 }}
+  {{ if eq . 42 }}
+    {{ break }}
+  {{ end }}
+{{ end }}
+```