Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6639 and 6643 the smallest integer that is 44102877 that is divisible by both numbers.
Least Common Multiple (LCM) of 6639 and 6643 is 44102877.
LCM(6639,6643) = 44102877
Least common multiple or lowest common denominator (LCD) can be calculated in three ways;
Least common multiple can be found by multiplying the highest exponent prime factors of 6639 and 6643. First we will calculate the prime factors of 6639 and 6643.
Prime Factorization of 6639
3 | 6639 |
2213 | 2213 |
1 |
Prime factors of 6639 are 3,2213. Prime factorization of 6639 in exponential form is:
6639 = 31×22131
Prime Factorization of 6643
7 | 6643 |
13 | 949 |
73 | 73 |
1 |
Prime factors of 6643 are 7, 13,73. Prime factorization of 6643 in exponential form is:
6643 = 71×131×731
Now multiplying the highest exponent prime factors to calculate the LCM of 6639 and 6643.
LCM(6639,6643) = 31×71×131×731×22131
LCM(6639,6643) = 44102877
Factors of 6639
List of positive integer factors of 6639 that divides 6639 without a remainder.
1, 3, 2213, 6639
Factors of 6643
List of positive integer factors of 6643 that divides 6643 without a remainder.
1, 7, 13, 73, 91, 511, 949, 6643
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6639 and 6643, than apply into the LCM equation.
GCF(6639,6643) = 1
LCM(6639,6643) = ( 6639 × 6643) / 1
LCM(6639,6643) = 44102877 / 1
LCM(6639,6643) = 44102877
(i) The LCM of 6643 and 6639 is associative
LCM of 6639 and 6643 = LCM of 6643 and 6639
1. What is the LCM of 6639 and 6643?
Answer: LCM of 6639 and 6643 is 44102877.
2. What are the Factors of 6639?
Answer: Factors of 6639 are 1, 3, 2213, 6639. There are 4 integers that are factors of 6639. The greatest factor of 6639 is 6639.
3. What are the Factors of 6643?
Answer: Factors of 6643 are 1, 7, 13, 73, 91, 511, 949, 6643. There are 8 integers that are factors of 6643. The greatest factor of 6643 is 6643.
4. How to Find the LCM of 6639 and 6643?
Answer:
Least Common Multiple of 6639 and 6643 = 44102877
Step 1: Find the prime factorization of 6639
6639 = 3 x 2213
Step 2: Find the prime factorization of 6643
6643 = 7 x 13 x 73
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 44102877 = 3 x 7 x 13 x 73 x 2213
Step 4: Therefore, the least common multiple of 6639 and 6643 is 44102877.