Learn the key differences between prime and composite numbers with definitions, charts, and step-by-step examples to master factorization and number properties easily.

We can only divide 7 into one group of 7 (or seven groups of 1): So 7 is a Prime Number. And also: It is a Composite Number when it can be divided exactly by a whole number other than itself. Like this: …

Jul 23, 2025 · Prime and Composite Numbers are commonly used classifications of Natural Numbers based on divisibility. A prime number is divisible by only 1 and itself and a composite number is …

Categories of numbers We can divide almost all numbers into two categories: prime numbers and composite numbers.

Jan 2, 2025 · To determine if a number is prime or composite, you have to determine if the number has any divisors other than 1 and itself. The divisibility rules are useful here, and can quickly show you if …

Dec 9, 2025 · Hello, and welcome to this video about prime and composite numbers! Today we’ll learn what prime and composite numbers are, how to classify numbers as prime or composite, and why …

Do you know the difference between prime numbers and composite numbers? Learn the difference, see examples, and uncover fun facts in this free math lesson.