We introduce MegaMath, an open math pretraining dataset curated from diverse, math-focused sources, with over 300B tokens. MegaMath is curated via the following three efforts:

Revisiting web data: We re-extracted mathematical documents from Common Crawl with math-oriented HTML optimizations, fasttext-based filtering and deduplication, all for acquiring higher-quality data on… See the full description on the dataset page: https://huggingface.co/datasets/IFM/MegaMath.