Help students confidently determine factors and prime numbers without relying on memorization or large multiplication facts! This student-friendly reference handout includes clear, simple “number tricks” to help learners: Identify whether a number has 2, 3, 4, 5, 6, or 9 as a factor Use divisibility rules in kid-friendly languageDetermine whether a number is prime or composite using easy elimination strategiesExplain their thinking using proper math vocabulary Perfect for: 3rd–4th grade mathTe