Fewer than 5 people recommend it so far, so there's no written verdict. Here is what commenters said.

4recommend
0warn against
Jan 6, 2026first mention
Jul 19, 2026latest mention
Nov 25 – Oct 26
Used forbig-number arithmetic libraryarbitrary-precision mathbig-integer arithmetic library

Why people recommend it

“They've got some fairly approachable manual pages”

“All that to say GMP is a great library.”

Show 2 more

“In practice when I've wanted extended precision, I've just used GMP or a language with bignums.”

“Should be under 5 seconds in C or C++ using gmp”

Caveats and dissent

No one in these comments warned against it.

All comments 4

“They've got some fairly approachable manual pages”

“All that to say GMP is a great library.”

“In practice when I've wanted extended precision, I've just used GMP or a language with bignums.”

“Should be under 5 seconds in C or C++ using gmp”

Threads where it came up

Data: gmp.json. Quotes are verbatim; the verdict and theme labels are written by a model from these comments, and every clause links to its sources.

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