Least Common Multiple of 8639 and 8643

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 8639 and 8643 the smallest integer that is 74666877 that is divisible by both numbers.

Least Common Multiple (LCM) of 8639 and 8643 is 74666877.

LCM(8639,8643) = 74666877

LCM of 8639 and 8643

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

LCM of:
and

Least Common Multiple of 8639 and 8643

LCM of 8639 and 8643 is 74666877

Least common multiple can be found by multiplying the highest exponent prime factors of 8639 and 8643. First we will calculate the prime factors of 8639 and 8643.

Prime Factorization of 8639


53 8639
163 163
1

Prime factors of 8639 are 53,163. Prime factorization of 8639 in exponential form is:

8639 = 531×1631

Prime Factorization of 8643


3 8643
43 2881
67 67
1

Prime factors of 8643 are 3, 43,67. Prime factorization of 8643 in exponential form is:

8643 = 31×431×671

Now multiplying the highest exponent prime factors to calculate the LCM of 8639 and 8643.

LCM(8639,8643) = 31×431×531×671×1631
LCM(8639,8643) = 74666877

Factors of 8639

List of positive integer factors of 8639 that divides 8639 without a remainder.

1, 53, 163, 8639

Factors of 8643

List of positive integer factors of 8643 that divides 8643 without a remainder.

1, 3, 43, 67, 129, 201, 2881, 8643

Least Common Multiple of 8639 and 8643 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8639 and 8643, than apply into the LCM equation.

GCF(8639,8643) = 1
LCM(8639,8643) = ( 8639 × 8643) / 1
LCM(8639,8643) = 74666877 / 1
LCM(8639,8643) = 74666877

Properties of LCM 8639 and 8643

(i) The LCM of 8643 and 8639 is associative

LCM of 8639 and 8643 = LCM of 8643 and 8639

Frequently Asked Questions on LCM of 8639 and 8643

1. What is the LCM of 8639 and 8643?

Answer: LCM of 8639 and 8643 is 74666877.

2. What are the Factors of 8639?

Answer: Factors of 8639 are 1, 53, 163, 8639. There are 4 integers that are factors of 8639. The greatest factor of 8639 is 8639.

3. What are the Factors of 8643?

Answer: Factors of 8643 are 1, 3, 43, 67, 129, 201, 2881, 8643. There are 8 integers that are factors of 8643. The greatest factor of 8643 is 8643.

4. How to Find the LCM of 8639 and 8643?

Answer:

Least Common Multiple of 8639 and 8643 = 74666877

Step 1: Find the prime factorization of 8639

8639 = 53 x 163

Step 2: Find the prime factorization of 8643

8643 = 3 x 43 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 = 74666877 = 3 x 43 x 53 x 67 x 163

Step 4: Therefore, the least common multiple of 8639 and 8643 is 74666877.