... that the "common factors" are in the "common area.") 40 The LCM is x x x x = 120, the product of all the primes in the diagram The product of the shared primes is the GeE The product of all the ... multiple of the number of items This is because the sum equals the average times the number of items For an odd number of integers, the average is an integer, so the sum is a multiple of the number ... -3 ), or the number O The GMAT uses the term integer to mean a non-fraction or a non-decimal, The special properties of integers form the basis of most Number Properties problern* on the GMAT...