> ## Documentation Index
> Fetch the complete documentation index at: https://starkware-9575960b-starknet-privacy-docs.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# core::integer::u128_overflowing_mul

## Signature

```rust theme={null}
pub fn u128_overflowing_mul(lhs: u128, rhs: u128) -> (u128, bool)
```