lcm of pair of numbers is 4 and their sum is 6 what are the numbers Share with your friends Share 2 Bheri Giridhar Kartikeya answered this since LCM is 4 the pair of numbers must be between 1 to 4. In numbers 1 to 4 only possible multiples that can get 4 are 1 , 2 & 4 But there are only pair of numbers whose sum is 6 so 2+4 = 6 so the numbers are 2 & 4 8 View Full Answer