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Factoring and Lowest Common Multiple - Practice

48 Topics, 4 Skills

Venn Diagrams - 2 Numbers - To LCM

Topic 1

Finding Lowest Common Multiple from Factorizations

Topic 2

Finding Lowest Common Multiple from Factorizations - 3 Numbers

Topic 3

Which Number of a Pair is Prime

Topic 4

Finding Lowest Common Multiple from Factorizations - 3 Numbers

Topic 5

Is Number a Multiple of Both - From Variables as Factors

Topic 6

Is Number a Multiple of Both - From Variables as Factors

Topic 7

Is the Number Prime or Composite

Topic 8

Finding Lowest Common Multiple Distinct Factors - 3 Numbers

Topic 9

Finding Lowest Common Multiple Distinct Factors - 3 Numbers

Topic 10

Finding Lowest Common Multiple - 3 Numbers

Topic 11

Finding Lowest Common Multiple - 3 Numbers

Topic 12

Finding Lowest Common Multiple - 3 Numbers

Topic 13

Venn Diagrams - 3 Numbers - Populated Venn to LCM

Topic 14

Venn Diagrams - 3 Numbers - Populated Venn to LCM

Topic 15

Venn Diagrams - 3 Numbers - Populated Venn without Unique to LCM

Topic 16

Venn Diagrams - 3 Numbers - Populated Venn without Unique to LCM

Topic 17

Venn Diagrams - 3 Numbers - To LCM

Topic 18

Venn Diagrams - 3 Numbers - To LCM

Topic 19

Factor to 4 Factors

Topic 20

Venn Diagrams - 2 Numbers - To LCM

Topic 21

Venn Diagrams - 2 Numbers - Populate Venn

Topic 22

Finding Lowest Common Multiple Distinct Factors

Topic 23

Is Number a Multiple - From Variable as Factors

Topic 24

Is the Number Prime or Composite

Topic 25

Venn Diagrams - 2 Numbers - Populated Venn to LCM

Topic 26

Factor Tree with 4 Factors - Full

Topic 27

Venn Diagrams - 2 Numbers - Populated Venn to Distinct Factors

Topic 28

Finding Lowest Common Multiple

Topic 29

Is Number a Multiple of Both - From Values as Factors

Topic 30

Which Number of a Pair is Prime

Topic 31

Finding Lowest Common Multiple Distinct Factors - 3 Numbers

Topic 32

Factor Tree with 4 Factors - Full

Topic 33

Venn Diagrams - 2 Numbers - Populated Venn to LCM

Topic 34

Venn Diagrams - 2 Numbers - Populated Venn without Unique to LCM

Topic 35

Venn Diagrams - 2 Numbers - Populated Venn without Unique to Distinct Factors

Topic 36

Venn Diagrams - 2 Numbers - Populated Venn without Numbers to Numbers

Topic 37

Finding Lowest Common Multiple from Factorizations

Topic 38

Is Number a Multiple - From Value as Factors

Topic 39

Is Number a Multiple of Both - From Values as Factors

Topic 40

Factor Tree with 4 Factors - Full

Topic 41

Venn Diagrams - 2 Numbers - Populated Venn without Unique to LCM

Topic 42

Factor to 4 Factors

Topic 43

Venn Diagrams - 2 Numbers - To Distinct Factors

Topic 44

Finding Lowest Common Multiple

Topic 45

Is Number a Multiple - From Value as Factors

Topic 46

Is Number a Multiple - From Variable as Factors

Topic 47

Factor to 4 Factors

Topic 48

Prime Factorizatio

Is Number a Multiple of Both - From Variables as Factors (Level 2)

This math topic involves evaluating whether a given number \( z, r, y, b, m, r, \) or \( c \) is a multiple of two other specified numbers using prime factorization and variable exponents. Each question presents expressions where a number is expressed through a multiplication of primes raised to certain powers, and the student must determine if this number is a multiple of two others listed. This involves skills related to factoring, recognizing multiples, and working with lowest common multiples. Each question provides two answer choices: "Yes" or "No."

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Is Number a Multiple of Both - From Variables as Factors

Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.

10

Is m a multiple of both 18 and 42?

m=2⋅32⋅718=2⋅3242=2⋅3⋅7is m a multiple of 18 and 42?\begin{align*}m &= 2 \cdot 3^2 \cdot 7\\\\[-0.5em]18 &= 2 \cdot 3^2\\[-0.5em]42 &= 2 \cdot 3 \cdot 7\end{align*}\\\\ \textsf{is }m\textsf{ a multiple of }\\18\textsf{ and }42?

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