Concept explainers
To find whether the number 84 is prime or composite.
Answer to Problem 30E
The number is composite.
Explanation of Solution
Given Information: Number 84.
Formula used: To check if the numbers is prime or composite ,find its factors. If its factors are more than 2(except 1 and the number itself), then the number is composite else prime.
Calculation:
To determine if 84 a prime number or a composite number, simply look at the factors for 84.
If the factors of 84 are only 84 and 1, then 84 is a prime number. Otherwise, 84 is a composite number.
The factors of 84 are as follows:
1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, and 84
Therefore, since 84 is divisible by more than one and itself, the number is composite.
Chapter 4 Solutions
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Additional Math Textbook Solutions
Elementary and Intermediate Algebra: Concepts and Applications (7th Edition)
Elementary Algebra
College Algebra (7th Edition)
Intermediate Algebra (7th Edition)
Differential Equations and Linear Algebra (4th Edition)
College Algebra in Context with Applications for the Managerial, Life, and Social Sciences (5th Edition)
- Algebra and Trigonometry (6th Edition)AlgebraISBN:9780134463216Author:Robert F. BlitzerPublisher:PEARSONContemporary Abstract AlgebraAlgebraISBN:9781305657960Author:Joseph GallianPublisher:Cengage LearningLinear Algebra: A Modern IntroductionAlgebraISBN:9781285463247Author:David PoolePublisher:Cengage Learning
- Algebra And Trigonometry (11th Edition)AlgebraISBN:9780135163078Author:Michael SullivanPublisher:PEARSONIntroduction to Linear Algebra, Fifth EditionAlgebraISBN:9780980232776Author:Gilbert StrangPublisher:Wellesley-Cambridge PressCollege Algebra (Collegiate Math)AlgebraISBN:9780077836344Author:Julie Miller, Donna GerkenPublisher:McGraw-Hill Education