If Least Common Multiple of 23 and 24 is A and Highest Common Factor of 23 and 24 is B, then what is the value of A + B?

451 551 553 452

553

L.C.M of 23 and 24 = 552 = (A) And H.C.F of 23 and 24 = 1 = (B) ∴ A + B = 552 + 1 = 553