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Details for problem "lcm derived via prime factorization"

Quickname: 3333

Suitable for K-12 grades: Grade 5 Grade 6 Grade 7

Elementary School, Primary School, Junior High School, Middle School, High School.

Summary

The lcm is to be derived for two given numbers.

Example

The lcm is to be derived for two given numbers. (Beispiel für die Lösung)

Description

Problems are presented for the detailed calculation of the least common multiple (lcm). The number space from which the lcm comes is adjustable. The number of problems can also be selected.

In the task, first the determination of the prime factorization for each number is required, then the derivation of the lcm. In the solution this is shown step by step.

If desired, the first problem can be output with an example solution.


Topics: Arithmetic Divisibility

Tags: Division Multiplication Prime Rules

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Customization options for this problem

Parameter
Possible values
Number of problems
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
Number range of product
50, 80, 100, 200, 500, 1000
Sample problem
Yes, No

Similar problems

Remark
Description
Name and direct link
Also as a simple mixed gcd & lcm problem using lists of divisors and multiples
For two given numbers, the gcd and lcm are determined by comparing lists of multiples or divisors


Creative Commons License
You may pass on the worksheets offered for download on this page to others, but not modify or sell them.
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.


Deutsche Version dieser Aufgabe
These informational pages with samples describe math problems that can be combined on custom math worksheets with solutions for home and K-12 school use.
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