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Ruby, 56 bytes ->n{require'prime';Prime.each_cons(2).find{_2-_1>=n}[0]} Attempt This Online!
Answer
#1: Initial revision
by
radarek
·
2022-01-21T22:51:24Z (almost 3 years ago)
# [Ruby](https://www.ruby-lang.org/), 56 bytes
```ruby
->n{require'prime';Prime.each_cons(2).find{_2-_1>=n}[0]}
```
[Attempt This Online!](https://ato.pxeger.com/run?1=m72kqDSpcsGiNNulpSVpuhY3LXTt8qqLUgtLM4tS1QuKMnNT1a0DQJReamJyRnxyfl6xhpGmXlpmXkp1vJFuvKGdbV5ttEFsLVT_yZLU4hIFWwWgMToKqRUFqcklqSkKKflcCgoFpSXFCkohQPnMvHQF5eq8WqAqIF2UWlyaA9KTFp0XW4skYIswwF5B3d9bXcFKQd01KMg_SL1WiSs1L4WLC2RbtKGOglEshGmko2AMZRrrKJhDmSYIpilQLUyFGRLbXEfBwhLKtgCzIR5asABCAwA)