Index Forms and Common Factors - JSS1 Mathematics Lesson Note
Index Form: Index form represents a number as a power of another number. For example, 2³ means 2 × 2 × 2 = 8.
Common Factors: Common factors of two or more numbers are numbers that divide each of them without leaving a remainder. For example, common factors of 24 and 36 are 1, 2, 3, 4, 6, and 12.