Last updated on May 26th, 2025
LCM is a common multiple, the smallest value between the numbers 3 and 8. Did you know? We apply LCM unknowingly in everyday situations like setting alarms and to synchronize traffic lights and when making music.
The LCM of 3 and 8 is 24. We can find the LCM using the Listing multiples method, the prime factorization method and the long division method. These are explained below.
Write down the multiples of the numbers. Don’t stop too early.
Step 1 — Multiples of 12 = 12, 24, 36, 48, 60, 72,84,96, …
Step 2 — Multiples of 16 = 16, 32, 48,64,80,96,…
Find the smallest number common between the written multiples of 12 and 16
Step 3— The smallest common multiple is 48
Thus, LCM(12,16) = 48
Step 1 — factorize the numbers into its prime factors
12 = 2×2×3
16 = 2 × 2 ×2 × 2 ×2
Step 2 — find the highest powers of the factors of 12 and 16
Step 3 — Multiply the highest powers
LCM (12,16) = 48
Listed here are a few mistakes that one can commit when trying to find the LCM of the numbers 12 and 16. Try to avoid them.
If 25% of the LCM of 12 and 16 is used to distribute supplies, how many supplies are distributed?
LCM of 12 and 16 = 48
25% of 48 = 0.25 × 48 = 12 supplies
Multiply the LCM by 0.25 to find 25%.
A maintenance schedule for projectors is set up every 12 weeks and 16 weeks at a school. If both the projectors are serviced today, in how many weeks will they be serviced again on the same day?
The LCM of 12 and 16 is 48.
Both projectors will need maintenance again in 48 weeks.48 is the LCM of 12 and 16, which is the smallest time interval between the digits.
Verify the formula LCM(a,b)=a×b/GCF(a,b) ​for 12 and 16.
GCF of 12 and 16 = 4
Product of 12 and 16 = 12 × 16 = 192
Using the formula:
LCM=192/4=48
Apply the formula and check that the result matches the LCM.
The LCM (6,8,12) = 24
Hiralee Lalitkumar Makwana has almost two years of teaching experience. She is a number ninja as she loves numbers. Her interest in numbers can be seen in the way she cracks math puzzles and hidden patterns.
: She loves to read number jokes and games.