## Rules of Divisibility

The rules of divisibility help determine whether a given number is divisible by another (with no remainder) without actually performing the division. The divisibility is usually determined by examining the digits in the number. The understanding of divisibility rules helps in many areas of mathematics especially as it relates to Algebra, arithmetic, and geometry. One common area in Math where this skill is helpful is the creation of factor trees. The most common divisibility rules are as follows: 1. A number is divisible...