number

package main

import (
	"fmt"

	"github.com/itsubaki/rsa/number"
)

func main() {
	p, err := number.Coprime(15)
	if err != nil {
		panic(err)
	}

	for _, e := range []int{2, 4, 7, 8, 11, 13, 14} {
		if p == e {
			fmt.Println("found")
			break
		}
	}

}

Output:

found

package main

import (
	"fmt"

	"github.com/itsubaki/rsa/number"
)

func main() {
	e := number.Euler(17, 19)
	fmt.Println(e)

}

Output:

288

package main

import (
	"fmt"

	"github.com/itsubaki/rsa/number"
)

func main() {
	gcd := number.GCD(15, 7)
	fmt.Println(gcd)

}

Output:

1