Finding the Least Common Multiple
Interactive Video
•
Mathematics
•
6th - 7th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main focus of the video tutorial?
Finding the greatest common divisor
Solving quadratic equations
Finding the least common multiple involving a variable
Understanding prime numbers
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which numbers are involved in the LCM problem presented in the video?
5, 10, 15, and K
10, 15, 25, and K
8, 16, 24, and K
12, 15, 20, and K
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the given LCM of the numbers 12, 15, 20, and K?
240
420
480
360
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the prime factorization of the number 12?
3 x 3 x 2
2 x 2 x 3
2 x 3 x 5
2 x 2 x 5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the prime factorization of the number 15?
2 x 5
5 x 5
3 x 5
2 x 3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the prime factorization of the number 20?
2 x 2 x 5
3 x 3 x 5
2 x 2 x 3
2 x 3 x 5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the LCM determined from the prime factors?
By multiplying the highest power of each prime factor
By adding all the prime factors
By subtracting the smallest prime factor
By dividing the largest prime factor
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