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LCM of 49 and 57

Created By : Bhagya
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023


It is easy to find the LCM of 49 and 57 with the help of the handy LCM Calculator. You have to enter 44, and 60 as inputs to avail the LCM 2793 as output. Here you can check the answer for Find the LCM of 49 and 57.

 

LCM of:
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What is LCM of 49 and 57

Given Numbers are 49, 57

We can find the LCM of 49, 57 using the brute force method, prime factorization method, or GCD method.

To use brute force method, list the multiples of 49 and 57

Multiples of 49 =49,98,147,196,245,294,343,392,441,490,539,588,637,686,735,784,833,

Multiples of 57 =57,114,171,228,285,342,399,456,513,570,627,684,741,798,855,912,969,

Now, get the least common multiple of 49, 57 which is 2793

So, the LCM of 49, 57 is 2793.

Least Common Multiple (LCM) of 49 and 57 with the help of Prime Factorisation

One method for determining the LCM of 49 and 57 is to compare the prime factorization of each number. You can find the prime factorization for each number by following the instructions below:

Here is 49's prime factorization:


7 49
7 7
1

Prime factors of 49 are 7.

49 = 72

And this is 57's prime factorization:


3 57
19 19
1

Prime factors of 57 are 3,19.

57 = 31×191

When comparing the prime factorization of these two numbers, look for the highest power to which each prime factor is raised. In this case, the following primary factors must be considered:7, 3,19

.

31×72×191 = 2793

This shows that the LCM of 49 and 57 is 2793.

How to Calculate the LCM of 49 and 57 Using Common Multiples

The first step in determining the Least Common Multiple of 49 and 57 is to generate a list of multiples for each number.

Lets look at the multiples of these two numbers, 49 and 57:

Lets look at the first ten multiples of these numbers, 49 and 57:

49,98,147,196,245,294,343,392,441,833 are the first ten multiples of 49.

57,114,171,228,285,342,399,456,513,969 are the first ten multiples of 57.

You can continue to list the multiples of these numbers until you find a match. Once you have found a match, or several matches, the Least Common Multiple is the smallest of these matches. The first matching multiple(s) of 49 and 57, for example, are 588, 833, and 912. 2793 is the least common multiple since it is the smallest.

49 and 57 have an LCM of 2793.

Least Common Multiple of 49 and 57 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 49 and 57, than apply into the LCM equation.

GCF(49,57) = 1
LCM(49,57) = ( 49 × 57) / 1
LCM(49,57) = 2793 / 1
LCM(49,57) = 2793

Frequently Asked Questions on LCM of 49 and 57

1. What is the LCM of 49 and 57?

The LCM of 49 and 57 is 2793.

2. How to find the lowest common multiple of 49 and 57?

To find the lowest common multiple of 49 and 57, we have to get the multip;es of both numbers and identify the least common multiple in them which is 2793.

3. What are the Factors of 49?

Answer: Factors of 49 are 1, 7, 49. There are 3 integers that are factors of 49. The greatest factor of 49 is 49.

4. What are the Factors of 57?

Answer: Factors of 57 are 1, 3, 19, 57. There are 4 integers that are factors of 57. The greatest factor of 57 is 57.

5. How to Find the LCM of 49 and 57?

Answer:

Least Common Multiple of 49 and 57 = 2793

Step 1: Find the prime factorization of 49

49 = 7 x 7

Step 2: Find the prime factorization of 57

57 = 3 x 19

Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 2793 = 3 x 7 x 7 x 19

Step 4: Therefore, the least common multiple of 49 and 57 is 2793.