Factors and Multiples Quest 3

​Factors and Multiples Quest 1a

​Finding Greatest Common Factor and Least Common Multiple

Poll

How do you feel about finding greatest common factors and least common multiples?

• I don't know understand anything about this.

• I understand a little about this.

• I somewhat understand this.

• I understand this.

• I know this so well I could explain and show it.

Draw

Show the prime factorization of 10.

Draw

Show the prime factorization of 30.

Draw

Show the prime factorization of 50.

Multiple Choice

Which answer shows all the factors of 12?

• [1, 2, 3, 5, 6, 12]
• [1, 2, 3, 4, 6, 8]
• [1, 2, 3, 4, 6, 12]
• [2, 3, 4, 5, 6, 7]
• [1, 2, 3, 4, 5, 6]

Multiple Choice

Which answer shows all the factors of 40?

• 1, 3, 5, 7, 10, 20, 30
• 2, 4, 6, 8, 12, 16, 24
• 2, 4, 5, 10, 15, 20, 40
• 1, 2, 4, 5, 8, 10, 20
• 1, 2, 4, 5, 8, 10, 20, 40

Draw

List out all the factors of 45.

Draw

List out all the factors of 100.

Multiple Choice

Select the prime factorization of 23:

• 7x3x1

• 13x2

• 4x2x1

• 1x23

• 2x3

Video Response

Explain the difference between greatest common factor (GCF) and least common multiple (LCM).

Open Video Recorder

Dropdown

The greatest​

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factor is the biggest number that can divide into a set of numbers with no ​

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.

The ​

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common multiple is the ​smallest number that two numbers can ​

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to.

Factors have to ​

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. To find a multiple you have to multiply.

Poll

How do you feel about finding greatest common factors and least common multiples?

• I don't know understand anything about this.

• I understand a little about this.

• I somewhat understand this.

• I understand this.

• I know this so well I could explain and show it.