Prime Factor Decomposition, Highest Common Factor, and Lowest Common Multiple

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Mathematics
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11th Grade - University
•
Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of prime factor decomposition?
To calculate the square root of a number
To identify the largest prime number
To break down a number into its prime factors
To find the sum of all factors of a number
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is NOT used for prime factor decomposition?
Tree method
Ladder method
Both tree and ladder methods
Grid method
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the highest common factor of two numbers?
By adding all the factors of the numbers
By subtracting the smaller number from the larger number
By multiplying all the prime factors of the numbers
By identifying and multiplying shared prime factors
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the lowest common multiple of two numbers?
The difference between the two numbers
The sum of the two numbers
The smallest number that is a multiple of both numbers
The largest number that divides both numbers
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method can be used to find the LCM using the HCF?
Multiply the HCF by the unused prime factors
Divide the HCF by the smallest prime factor
Multiply the HCF by the sum of the numbers
Add the HCF to the largest prime factor
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