by Apex Marketing | Nov 30, 2022 | GMAT, Number Theory, Quant

Welcome back to our series on number properties. The last two articles introduced GMAT quant problems that revolve around place value in multi-digit integers. This article returns to the “divisibility and factors” core of number properties. But now we are looking at...
by Apex Marketing | Nov 29, 2022 | GMAT, Number Theory, Quant

Welcome back to our series on number properties. In the last article, we learned about place-value problems. This article will cover the related topic of switching digits in two-digit integers. Here are some examples of what that means: 75 <-> 57 39 <-> 93...
by Apex Marketing | Nov 16, 2022 | GMAT, Number Theory, Quant

Welcome back to our series on number properties. In the last article, we learned how to find the greatest common factor/divisor of a set of integers. This article will cover the related topic of the least common multiple. The least common multiple (LCM) of a set of...
by Apex Marketing | Nov 8, 2022 | GMAT, Number Theory, Quant

Welcome back to our series on number properties. In the last article, we introduced remainders. This time we will address my favorite use of remainders on GMAT quant: day of the week problems. Have you ever encountered a problem like this? June 25, 1982, fell on a...
by Apex Marketing | Nov 2, 2022 | GMAT, Number Theory, Quant

Welcome back to our series on number properties. In this article, we deal with the fallout of failed divisibility: remainders. Remainders exist whenever an integer is divided by another integer that is not one of its factors. When integer n is divided by integer x,...