import sys

#最大公約数
def gcd(x, y):
    s = x / y
    r = x % y
    if r == 0:
        return y
    else:
        return gcd(y, r)

#最小公倍数
def lcm(x, y):
    return x*y/gcd(x, y)

def main():
    #print ("a")
    for line in iter(sys.stdin.readline, ""):
        #print (line)
        #tmp = sys.stdin.readline().split(" ")
        #print ("b")
        tmp = line.split(" ")
    
        a = int(tmp[0])
        b = int(tmp[1])
        #print ("a="+str(a))
        #print ("b="+str(b))
        #b = sys.stdin.readline()
        #print ("d")
        if a > b:
            c = a
            d = b
        else:
            c = b
            d = a

        print (str(gcd(c, d)) + " " + str(int(lcm(c,d))))

        #tmp = sys.stdin.readline()
        #if len(tmp) == 1:
        #    break
        #else:
        #    tmp = tmp.split(" ")

    #print ("exit")
     
if __name__ == "__main__":
    main() import sys sys def gcd(x, y):
    s = x / y
    r = x % y
    if r == 0:
        return y
    else:
        return gcd(y, r)

#最小公倍数 gcd s = x / y s x / y x y r = x % y r x % y x y if r == 0:
        return y
    else:
        return gcd(y, r)

#最小公倍数 r == 0 r 0 return y y return gcd(y, r) gcd(y, r) gcd y r x x y y def lcm(x, y):
    return x*y/gcd(x, y) lcm return x*y/gcd(x, y) x*y/gcd(x, y) x*y x y gcd(x, y) gcd x y x x y y def main():
    #print ("a")
    for line in iter(sys.stdin.readline, ""):
        #print (line)
        #tmp = sys.stdin.readline().split(" ")
        #print ("b")
        tmp = line.split(" ")
    
        a = int(tmp[0])
        b = int(tmp[1])
        #print ("a="+str(a))
        #print ("b="+str(b))
        #b = sys.stdin.readline()
        #print ("d")
        if a > b:
            c = a
            d = b
        else:
            c = b
            d = a

        print (str(gcd(c, d)) + " " + str(int(lcm(c,d))))

        #tmp = sys.stdin.readline()
        #if len(tmp) == 1:
        #    break
        #else:
        #    tmp = tmp.split(" ")

    #print ("exit")
      main for line in iter(sys.stdin.readline, ""):
        #print (line)
        #tmp = sys.stdin.readline().split(" ")
        #print ("b")
        tmp = line.split(" ")
    
        a = int(tmp[0])
        b = int(tmp[1])
        #print ("a="+str(a))
        #print ("b="+str(b))
        #b = sys.stdin.readline()
        #print ("d")
        if a > b:
            c = a
            d = b
        else:
            c = b
            d = a

        print (str(gcd(c, d)) + " " + str(int(lcm(c,d))))

        #tmp = sys.stdin.readline()
        #if len(tmp) == 1:
        #    break
        #else:
        #    tmp = tmp.split(" ")

    #print ("exit")
      line iter(sys.stdin.readline, "") iter sys.stdin.readline sys.stdin sys stdin readline "" tmp = line.split(" ") tmp line.split(" ") line.split line split " " a = int(tmp[0]) a int(tmp[0]) int tmp[0] tmp 0 b = int(tmp[1]) b int(tmp[1]) int tmp[1] tmp 1 if a > b:
            c = a
            d = b
        else:
            c = b
            d = a

         a > b a b c = a c a d = b d b c = b c b d = a d a print (str(gcd(c, d)) + " " + str(int(lcm(c,d)))) print str(gcd(c, d)) + " " + str(int(lcm(c,d))) str(gcd(c, d)) + " " str(gcd(c, d)) str gcd(c, d) gcd c d " " str(int(lcm(c,d))) str int(lcm(c,d)) int lcm(c,d) lcm c d if __name__ == "__main__":
    main() __name__ == "__main__" __name__ "__main__" main() main def gcd(x, y):
    s = x / y
    r = x % y
    if r == 0:
        return y
    else:
        return gcd(y, r)

#最小公倍数 def gcd(x, y):
    s = x / y
    r = x % y
    if r == 0:
        return y
    else:
        return gcd(y, r)

#最小公倍数 gcd def main():
    #print ("a")
    for line in iter(sys.stdin.readline, ""):
        #print (line)
        #tmp = sys.stdin.readline().split(" ")
        #print ("b")
        tmp = line.split(" ")
    
        a = int(tmp[0])
        b = int(tmp[1])
        #print ("a="+str(a))
        #print ("b="+str(b))
        #b = sys.stdin.readline()
        #print ("d")
        if a > b:
            c = a
            d = b
        else:
            c = b
            d = a

        print (str(gcd(c, d)) + " " + str(int(lcm(c,d))))

        #tmp = sys.stdin.readline()
        #if len(tmp) == 1:
        #    break
        #else:
        #    tmp = tmp.split(" ")

    #print ("exit")
      def main():
    #print ("a")
    for line in iter(sys.stdin.readline, ""):
        #print (line)
        #tmp = sys.stdin.readline().split(" ")
        #print ("b")
        tmp = line.split(" ")
    
        a = int(tmp[0])
        b = int(tmp[1])
        #print ("a="+str(a))
        #print ("b="+str(b))
        #b = sys.stdin.readline()
        #print ("d")
        if a > b:
            c = a
            d = b
        else:
            c = b
            d = a

        print (str(gcd(c, d)) + " " + str(int(lcm(c,d))))

        #tmp = sys.stdin.readline()
        #if len(tmp) == 1:
        #    break
        #else:
        #    tmp = tmp.split(" ")

    #print ("exit")
      main def lcm(x, y):
    return x*y/gcd(x, y) def lcm(x, y):
    return x*y/gcd(x, y) lcm
import sys

#最大公約数
def gcd(x, y):
    s = x / y
    r = x % y
    if r == 0:
        return y
    else:
        return gcd(y, r)

#最小公倍数
def lcm(x, y):
    return x*y/gcd(x, y)

def main():
    #print ("a")
    for line in iter(sys.stdin.readline, ""):
        #print (line)
        #tmp = sys.stdin.readline().split(" ")
        #print ("b")
        tmp = line.split(" ")
    
        a = int(tmp[0])
        b = int(tmp[1])
        #print ("a="+str(a))
        #print ("b="+str(b))
        #b = sys.stdin.readline()
        #print ("d")
        if a > b:
            c = a
            d = b
        else:
            c = b
            d = a

        print (str(gcd(c, d)) + " " + str(int(lcm(c,d))))

        #tmp = sys.stdin.readline()
        #if len(tmp) == 1:
        #    break
        #else:
        #    tmp = tmp.split(" ")

    #print ("exit")
     
if __name__ == "__main__":
    main()