package main

import (
    "fmt"
)

func main() {
    var a, b int
    fmt.Scan(&a, &b)
    sum := 1
    for i := 2; i < 100000; i++ {
        for a %i ==0 || b %i ==0 {
            if a% i ==0 {
                a /=i
            } 
            if b %i ==0 {
                b/=i
            }
            sum *=i
        }
    }
    fmt.Println(sum)
}