Given Numbers are 91, 98

We can find the LCM of 91, 98 using the brute force method, prime factorization method, or GCD method.

To use brute force method, list the multiples of 91 and 98

Multiples of 91 =91,182,273,364,455,546,637,728,819,910,1001,1092,1183,1274,1365,1456,1547,

Multiples of 98 =98,196,294,392,490,588,686,784,882,980,1078,1176,1274,1372,1470,1568,1666,

Now, get the least common multiple of 91, 98 which is 1274

So, the LCM of 91, 98 is 1274.

One method for determining the LCM of 91 and 98 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 91's prime factorization:

Prime factors of 91 are 7,13.

91 = 7¹×13¹

And this is 98's prime factorization:

Prime factors of 98 are 2,7.

98 = 2¹×7²

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: 7,13,2

2¹×7²×13¹ = 1274

This shows that the LCM of 91 and 98 is 1274.

The first step in determining the Least Common Multiple of 91 and 98 is to generate a list of multiples for each number.

Lets look at the multiples of these two numbers, 91 and 98:

Lets look at the first ten multiples of these numbers, 91 and 98:

91,182,273,364,455,546,637,728,819,1547 are the first ten multiples of 91.

98,196,294,392,490,588,686,784,882,1666 are the first ten multiples of 98.

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 91 and 98, for example, are 1092, 1547, and 1568. 1274 is the least common multiple since it is the smallest.

91 and 98 have an LCM of 1274.

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91 and 98, than apply into the LCM equation.

GCF(91,98) = 7
LCM(91,98) = ( 91 × 98) / 7
LCM(91,98) = 8918 / 7
LCM(91,98) = 1274

1. What is the LCM of 91 and 98?

The LCM of 91 and 98 is 1274.

2. How to find the lowest common multiple of 91 and 98?

To find the lowest common multiple of 91 and 98, we have to get the multip;es of both numbers and identify the least common multiple in them which is 1274.

3. What are the Factors of 91?

Answer: Factors of 91 are 1, 7, 13, 91. There are 4 integers that are factors of 91. The greatest factor of 91 is 91.

4. What are the Factors of 98?

Answer: Factors of 98 are 1, 2, 7, 14, 49, 98. There are 6 integers that are factors of 98. The greatest factor of 98 is 98.

Answer:

Least Common Multiple of 91 and 98 = 1274

Step 1: Find the prime factorization of 91

91 = 7 x 13

Step 2: Find the prime factorization of 98

98 = 2 x 7 x 7

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

LCM = 1274 = 2 x 7 x 7 x 13

Step 4: Therefore, the least common multiple of 91 and 98 is 1274.