LCM of 24 and 48
LCM of 24 and 48 is the smallest number among all common multiples of 24 and 48. The first few multiples of 24 and 48 are (24, 48, 72, 96, 120, 144, . . . ) and (48, 96, 144, 192, 240, . . . ) respectively. There are 3 commonly used methods to find LCM of 24 and 48 - by division method, by prime factorization, and by listing multiples.
1. | LCM of 24 and 48 |
2. | List of Methods |
3. | Solved Examples |
4. | FAQs |
What is the LCM of 24 and 48?
Answer: LCM of 24 and 48 is 48.
Explanation:
The LCM of two non-zero integers, x(24) and y(48), is the smallest positive integer m(48) that is divisible by both x(24) and y(48) without any remainder.
Methods to Find LCM of 24 and 48
Let's look at the different methods for finding the LCM of 24 and 48.
- By Division Method
- By Prime Factorization Method
- By Listing Multiples
LCM of 24 and 48 by Division Method
To calculate the LCM of 24 and 48 by the division method, we will divide the numbers(24, 48) by their prime factors (preferably common). The product of these divisors gives the LCM of 24 and 48.
- Step 1: Find the smallest prime number that is a factor of at least one of the numbers, 24 and 48. Write this prime number(2) on the left of the given numbers(24 and 48), separated as per the ladder arrangement.
- Step 2: If any of the given numbers (24, 48) is a multiple of 2, divide it by 2 and write the quotient below it. Bring down any number that is not divisible by the prime number.
- Step 3: Continue the steps until only 1s are left in the last row.
The LCM of 24 and 48 is the product of all prime numbers on the left, i.e. LCM(24, 48) by division method = 2 × 2 × 2 × 2 × 3 = 48.
LCM of 24 and 48 by Prime Factorization
Prime factorization of 24 and 48 is (2 × 2 × 2 × 3) = 23 × 31 and (2 × 2 × 2 × 2 × 3) = 24 × 31 respectively. LCM of 24 and 48 can be obtained by multiplying prime factors raised to their respective highest power, i.e. 24 × 31 = 48.
Hence, the LCM of 24 and 48 by prime factorization is 48.
LCM of 24 and 48 by Listing Multiples
To calculate the LCM of 24 and 48 by listing out the common multiples, we can follow the given below steps:
- Step 1: List a few multiples of 24 (24, 48, 72, 96, 120, 144, . . . ) and 48 (48, 96, 144, 192, 240, . . . . )
- Step 2: The common multiples from the multiples of 24 and 48 are 48, 96, . . .
- Step 3: The smallest common multiple of 24 and 48 is 48.
∴ The least common multiple of 24 and 48 = 48.
☛ Also Check:
- LCM of 3 and 12 - 12
- LCM of 24 and 64 - 192
- LCM of 45, 60 and 75 - 900
- LCM of 144 and 180 - 720
- LCM of 30 and 45 - 90
- LCM of 4, 9 and 12 - 36
- LCM of 16, 24, 36 and 54 - 432
LCM of 24 and 48 Examples
-
Example 1: Find the smallest number that is divisible by 24 and 48 exactly.
Solution:
The smallest number that is divisible by 24 and 48 exactly is their LCM.
⇒ Multiples of 24 and 48:- Multiples of 24 = 24, 48, 72, 96, 120, . . . .
- Multiples of 48 = 48, 96, 144, 192, 240, . . . .
Therefore, the LCM of 24 and 48 is 48.
-
Example 2: The product of two numbers is 1152. If their GCD is 24, what is their LCM?
Solution:
Given: GCD = 24
product of numbers = 1152
∵ LCM × GCD = product of numbers
⇒ LCM = Product/GCD = 1152/24
Therefore, the LCM is 48.
The probable combination for the given case is LCM(24, 48) = 48. -
Example 3: Verify the relationship between GCF and LCM of 24 and 48.
Solution:
The relation between GCF and LCM of 24 and 48 is given as,
LCM(24, 48) × GCF(24, 48) = Product of 24, 48
Prime factorization of 24 and 48 is given as, 24 = (2 × 2 × 2 × 3) = 23 × 31 and 48 = (2 × 2 × 2 × 2 × 3) = 24 × 31
LCM(24, 48) = 48
GCF(24, 48) = 24
LHS = LCM(24, 48) × GCF(24, 48) = 48 × 24 = 1152
RHS = Product of 24, 48 = 24 × 48 = 1152
⇒ LHS = RHS = 1152
Hence, verified.
FAQs on LCM of 24 and 48
What is the LCM of 24 and 48?
The LCM of 24 and 48 is 48. To find the least common multiple (LCM) of 24 and 48, we need to find the multiples of 24 and 48 (multiples of 24 = 24, 48, 72, 96; multiples of 48 = 48, 96, 144, 192) and choose the smallest multiple that is exactly divisible by 24 and 48, i.e., 48.
What is the Least Perfect Square Divisible by 24 and 48?
The least number divisible by 24 and 48 = LCM(24, 48)
LCM of 24 and 48 = 2 × 2 × 2 × 2 × 3 [Incomplete pair(s): 3]
⇒ Least perfect square divisible by each 24 and 48 = LCM(24, 48) × 3 = 144 [Square root of 144 = √144 = ±12]
Therefore, 144 is the required number.
What is the Relation Between GCF and LCM of 24, 48?
The following equation can be used to express the relation between GCF and LCM of 24 and 48, i.e. GCF × LCM = 24 × 48.
If the LCM of 48 and 24 is 48, Find its GCF.
LCM(48, 24) × GCF(48, 24) = 48 × 24
Since the LCM of 48 and 24 = 48
⇒ 48 × GCF(48, 24) = 1152
Therefore, the greatest common factor = 1152/48 = 24.
How to Find the LCM of 24 and 48 by Prime Factorization?
To find the LCM of 24 and 48 using prime factorization, we will find the prime factors, (24 = 2 × 2 × 2 × 3) and (48 = 2 × 2 × 2 × 2 × 3). LCM of 24 and 48 is the product of prime factors raised to their respective highest exponent among the numbers 24 and 48.
⇒ LCM of 24, 48 = 24 × 31 = 48.
visual curriculum