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Prime Factorization, GCF, and LCM

Authored by Kate Yother

Mathematics

6th - 7th Grade

CCSS covered

Used 4+ times

Prime Factorization, GCF, and LCM
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9 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

GCF 24 and 36

8
6
12
4

Tags

CCSS.6.NS.B.4

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the GCF of 64 and 144

8
6
16
2

Tags

CCSS.6.NS.B.4

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the greatest factor of 28 and 49?

1
2
7
12

Tags

CCSS.6.NS.B.4

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the LCM of 9 and 12?

18
36
12
24

Tags

CCSS.6.NS.B.4

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the LCM of 12 and 18?

18
36
24
54

Tags

CCSS.6.NS.B.4

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the LCM of 45 and 72?

72
3,240
360
260

Tags

CCSS.6.NS.B.4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Use a number tree to find the prime factorization of 72

2x2x2x3x3
4x3x3x2
4x2x2x2x2

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