Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6554 and 6561 the smallest integer that is 43000794 that is divisible by both numbers.
Least Common Multiple (LCM) of 6554 and 6561 is 43000794.
LCM(6554,6561) = 43000794
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 6554 and 6561. First we will calculate the prime factors of 6554 and 6561.
Prime Factorization of 6554
2 | 6554 |
29 | 3277 |
113 | 113 |
1 |
Prime factors of 6554 are 2, 29,113. Prime factorization of 6554 in exponential form is:
6554 = 21×291×1131
Prime Factorization of 6561
3 | 6561 |
3 | 2187 |
3 | 729 |
3 | 243 |
3 | 81 |
3 | 27 |
3 | 9 |
3 | 3 |
1 |
Prime factors of 6561 are 3. Prime factorization of 6561 in exponential form is:
6561 = 38
Now multiplying the highest exponent prime factors to calculate the LCM of 6554 and 6561.
LCM(6554,6561) = 21×38×291×1131
LCM(6554,6561) = 43000794
Factors of 6554
List of positive integer factors of 6554 that divides 6554 without a remainder.
1, 2, 29, 58, 113, 226, 3277, 6554
Factors of 6561
List of positive integer factors of 6561 that divides 6561 without a remainder.
1, 3, 9, 27, 81, 243, 729, 2187, 6561
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6554 and 6561, than apply into the LCM equation.
GCF(6554,6561) = 1
LCM(6554,6561) = ( 6554 × 6561) / 1
LCM(6554,6561) = 43000794 / 1
LCM(6554,6561) = 43000794
(i) The LCM of 6561 and 6554 is associative
LCM of 6554 and 6561 = LCM of 6561 and 6554
1. What is the LCM of 6554 and 6561?
Answer: LCM of 6554 and 6561 is 43000794.
2. What are the Factors of 6554?
Answer: Factors of 6554 are 1, 2, 29, 58, 113, 226, 3277, 6554. There are 8 integers that are factors of 6554. The greatest factor of 6554 is 6554.
3. What are the Factors of 6561?
Answer: Factors of 6561 are 1, 3, 9, 27, 81, 243, 729, 2187, 6561. There are 9 integers that are factors of 6561. The greatest factor of 6561 is 6561.
4. How to Find the LCM of 6554 and 6561?
Answer:
Least Common Multiple of 6554 and 6561 = 43000794
Step 1: Find the prime factorization of 6554
6554 = 2 x 29 x 113
Step 2: Find the prime factorization of 6561
6561 = 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 43000794 = 2 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 29 x 113
Step 4: Therefore, the least common multiple of 6554 and 6561 is 43000794.