Concept explainers
The least common multiple (LCM) of 5 and 7.
Answer to Problem 65CCR
Explanation of Solution
Given:
The pair of numbers, 5 and 7
Concept Used:
LCM(least common multiple) of a list of numbers can be found using following steps,
- Write prime factorization of each number
- Find the product ofcommon factors that appear in each number and the remaining prime factors from each number that are not common.
Calculation:
In order to find the least common multiple of the given number, first find the prime factorization of each number as shown below,
Here observe that both the numbers are prime numbers. So, the least common multiple would be the product of the numbers. That is,
Thus, the least common multiple (LCM) of the given numbers is
Chapter 1 Solutions
Glencoe Math Accelerated, Student Edition
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