Least Common Multiple of 261 and 268

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

Free LCM Calculator determines the least common multiple (LCM) between 261 and 268 the smallest integer that is 69948 that is divisible by both numbers.

Least Common Multiple (LCM) of 261 and 268 is 69948.

LCM(261,268) = 69948

LCM of 261 and 268

Least common multiple or lowest common denominator (LCD) can be calculated in three ways;

LCM of:
and

Least Common Multiple of 261 and 268

LCM of 261 and 268 is 69948

Least common multiple can be found by multiplying the highest exponent prime factors of 261 and 268. First we will calculate the prime factors of 261 and 268.

Prime Factorization of 261


3 261
3 87
29 29
1

Prime factors of 261 are 3,29. Prime factorization of 261 in exponential form is:

261 = 32×291

Prime Factorization of 268


2 268
2 134
67 67
1

Prime factors of 268 are 2,67. Prime factorization of 268 in exponential form is:

268 = 22×671

Now multiplying the highest exponent prime factors to calculate the LCM of 261 and 268.

LCM(261,268) = 22×32×291×671
LCM(261,268) = 69948

Factors of 261

List of positive integer factors of 261 that divides 261 without a remainder.

1, 3, 9, 29, 87, 261

Factors of 268

List of positive integer factors of 268 that divides 268 without a remainder.

1, 2, 4, 67, 134, 268

Least Common Multiple of 261 and 268 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 261 and 268, than apply into the LCM equation.

GCF(261,268) = 1
LCM(261,268) = ( 261 × 268) / 1
LCM(261,268) = 69948 / 1
LCM(261,268) = 69948

Properties of LCM 261 and 268

(i) The LCM of 268 and 261 is associative

LCM of 261 and 268 = LCM of 268 and 261

Related Least Common Multiples of 261

Related Least Common Multiples of 268

Frequently Asked Questions on LCM of 261 and 268

1. What is the LCM of 261 and 268?

Answer: LCM of 261 and 268 is 69948.

2. What are the Factors of 261?

Answer: Factors of 261 are 1, 3, 9, 29, 87, 261. There are 6 integers that are factors of 261. The greatest factor of 261 is 261.

3. What are the Factors of 268?

Answer: Factors of 268 are 1, 2, 4, 67, 134, 268. There are 6 integers that are factors of 268. The greatest factor of 268 is 268.

4. How to Find the LCM of 261 and 268?

Answer:

Least Common Multiple of 261 and 268 = 69948

Step 1: Find the prime factorization of 261

261 = 3 x 3 x 29

Step 2: Find the prime factorization of 268

268 = 2 x 2 x 67

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

LCM = 69948 = 2 x 2 x 3 x 3 x 29 x 67

Step 4: Therefore, the least common multiple of 261 and 268 is 69948.