Least Common Multiple of 261 and 263

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 263 the smallest integer that is 68643 that is divisible by both numbers.

Least Common Multiple (LCM) of 261 and 263 is 68643.

LCM(261,263) = 68643

LCM of 261 and 263

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

LCM of:
and

Least Common Multiple of 261 and 263

LCM of 261 and 263 is 68643

Least common multiple can be found by multiplying the highest exponent prime factors of 261 and 263. First we will calculate the prime factors of 261 and 263.

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 263


263 263
1

Prime factors of 263 are 263. Prime factorization of 263 in exponential form is:

263 = 2631

Now multiplying the highest exponent prime factors to calculate the LCM of 261 and 263.

LCM(261,263) = 32×291×2631
LCM(261,263) = 68643

Factors of 261

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

1, 3, 9, 29, 87, 261

Factors of 263

List of positive integer factors of 263 that divides 263 without a remainder.

1, 263

Least Common Multiple of 261 and 263 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 263, than apply into the LCM equation.

GCF(261,263) = 1
LCM(261,263) = ( 261 × 263) / 1
LCM(261,263) = 68643 / 1
LCM(261,263) = 68643

Properties of LCM 261 and 263

(i) The LCM of 263 and 261 is associative

LCM of 261 and 263 = LCM of 263 and 261

Related Least Common Multiples of 261

Related Least Common Multiples of 263

Frequently Asked Questions on LCM of 261 and 263

1. What is the LCM of 261 and 263?

Answer: LCM of 261 and 263 is 68643.

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 263?

Answer: Factors of 263 are 1, 263. There are 2 integers that are factors of 263. The greatest factor of 263 is 263.

4. How to Find the LCM of 261 and 263?

Answer:

Least Common Multiple of 261 and 263 = 68643

Step 1: Find the prime factorization of 261

261 = 3 x 3 x 29

Step 2: Find the prime factorization of 263

263 = 263

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

LCM = 68643 = 3 x 3 x 29 x 263

Step 4: Therefore, the least common multiple of 261 and 263 is 68643.