Methods For Finding The GCF Of Two Or More Numbers – Multiple Choice Questions Quiz

Interactive MCQs on the topic โ€œMethods For Finding The GCF Of Two Or More Numbersโ€:

Solve the following 10 questions: Only one option is correct. Click on the โ€œSubmitโ€ button when done. Click on the โ€œembedโ€ button to use this quiz on your website. Click on โ€œWhatsAppโ€ to share this quiz.

Question 1:Which method involves writing all the factors of two numbers and finding the highest one they share?

(A) Listing all factors
(B) Prime factorization
(C) Division
(D) Euclidean algorithm

Question 2:What is the GCF of 16 and 20 using the listing method?

(A) 2
(B) 3
(C) 4
(D) 5

Question 3: What is the first step in the prime factorization method?

(A) Add the numbers
(B) Find the prime factors
(C) Divide the numbers
(D) List all multiples

Question 4:Find the GCF of 18 and 24 using prime factorization.

(A) 8
(B) 12
(C) 9
(D) 6

Question 5:The Euclidean algorithm finds the GCF by repeatedly:

(A) Adding both numbers
(B) Dividing and using remainders
(C) Listing prime factors
(D) Finding LCM

Question 6:What is the GCF of 28 and 36 using the division method?

(A) 2
(B) 6
(C) 4
(D) 8

Question 7:Which method is most efficient for larger numbers?

(A) Listing factors
(B) Multiplying numbers
(C) Prime factorization
(D) Euclidean algorithm

Question 8:Find the GCF of 15, 30, and 60 using the listing method.

(A) 10
(B) 15
(C) 20
(D) 30

Question 9:In prime factorization, the GCF is the product of:

(A) Common prime factors
(B) All prime factors
(C) Highest numbers
(D) Common multiples

Question 10:Why might listing factors not work well for large numbers?

(A) Itโ€™s always wrong
(B) Itโ€™s too fast
(C) Itโ€™s time-consuming and impractical
(D) It gives different answers