Display Title

Definition--Factors and Multiples--Prime Factors

Prime Factors

Prime Factors

Topic

Factors and Multiples

Definition

Prime factors are the prime numbers that multiply together to give the original number.

Description

Prime factors are a fundamental concept in the study of factors and multiples. They are the building blocks of all numbers, as any integer greater than 1 can be expressed as a product of prime numbers. This process is known as prime factorization. For example, the prime factorization of 28 is 2 × 2 × 7, where 2 and 7 are prime numbers.

Prime factors are crucial in various areas of mathematics, including simplifying fractions, finding the greatest common divisor (GCD), and the least common multiple (LCM). By breaking down numbers into their prime factors, one can easily determine these values, which are essential for solving problems involving ratios, proportions, and algebraic expressions.

Understanding prime factors also aids in the comprehension of number theory, a branch of mathematics that explores the properties and relationships of numbers. This knowledge is not only theoretical but also has practical applications in cryptography, computer science, and engineering, where prime numbers play a vital role in algorithms and data security.

For a complete collection of terms related to factors and multiples click on this link: Factors and Multiples Collection.

Common Core Standards CCSS.MATH.CONTENT.3.OA.B.6, CCSS.MATH.CONTENT.4.OA.B.4, CCSS.MATH.CONTENT.6.NS.B.4, CCSS.MATH.CONTENT.HSA.SSE.A.1, CCSS.MATH.CONTENT.3.NBT.A.3, CCSS.MATH.CONTENT.4.NF.B.4.A
Grade Range 3 - 8
Curriculum Nodes Algebra
    • The Language of Math
        • Numerical Expressions
Copyright Year 2021
Keywords multiples, factors, definitions, glossary term, factor, prime factors