Finding The Least Common Multiple (LCM) – Multiple Choice Questions Quiz

Interactive MCQs on the topic “Finding The Least Common Multiple (LCM)”:

Solve the following 10 questions: Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1:What does the Least Common Multiple (LCM) of two numbers represent?

(A) Smallest common multiple
(B) Largest number
(C) Greatest factor
(D) Smallest divisor

Question 2:What is the LCM of 4 and 5 using the listing method?

(A) 10
(B) 15
(C) 16
(D) 20

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

(A) Add both numbers
(B) Find prime factors
(C) Divide the larger by the smaller
(D) Multiply both numbers

Question 4:Find the LCM of 6 and 8 using prime factorization.

(A) 12
(B) 16
(C) 24
(D) 48

Question 5:What is the LCM of 3, 4, and 6 using the listing method?

(A) 6
(B) 12
(C) 18
(D) 24

Question 6:Which method is most efficient for larger numbers when finding LCM?

(A) Listing multiples
(B) Guessing
(C) Division method
(D) Adding numbers

Question 7:Using the division method, what is the LCM of 10 and 15?

(A) 30
(B) 20
(C) 15
(D) 25

Question 8:Why is prime factorization helpful in finding LCM?

(A) It’s easy
(B) It gives smallest factor
(C) It’s quick for all numbers
(D) It includes all prime factors to the highest power

Question 9:Find the LCM of 9 and 12 using prime factorization.

(A) 27
(B) 36
(C) 18
(D) 24

Question 10:What is the LCM of 14 and 21?

(A) 28
(B) 35
(C) 42
(D) 49