How to Check for Prime Numbers using Golang 2022-07-03 41 words - 1 min read If you need to check for Prime Numbers in Golang, then you can use the following method: 1 2 3 4 5 6 const n = 1212121 if big.NewInt(n).ProbablyPrime(0) { fmt.Println(n, "is prime") } else { fmt.Println(n, "is not prime") }