Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6540 and 6545 the smallest integer that is 8560860 that is divisible by both numbers.
Least Common Multiple (LCM) of 6540 and 6545 is 8560860.
LCM(6540,6545) = 8560860
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 6540 and 6545. First we will calculate the prime factors of 6540 and 6545.
Prime Factorization of 6540
2 | 6540 |
2 | 3270 |
3 | 1635 |
5 | 545 |
109 | 109 |
1 |
Prime factors of 6540 are 2, 3, 5,109. Prime factorization of 6540 in exponential form is:
6540 = 22×31×51×1091
Prime Factorization of 6545
5 | 6545 |
7 | 1309 |
11 | 187 |
17 | 17 |
1 |
Prime factors of 6545 are 5, 7, 11,17. Prime factorization of 6545 in exponential form is:
6545 = 51×71×111×171
Now multiplying the highest exponent prime factors to calculate the LCM of 6540 and 6545.
LCM(6540,6545) = 22×31×51×71×111×171×1091
LCM(6540,6545) = 8560860
Factors of 6540
List of positive integer factors of 6540 that divides 6540 without a remainder.
1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3270, 6540
Factors of 6545
List of positive integer factors of 6545 that divides 6545 without a remainder.
1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 6545
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6540 and 6545, than apply into the LCM equation.
GCF(6540,6545) = 5
LCM(6540,6545) = ( 6540 × 6545) / 5
LCM(6540,6545) = 42804300 / 5
LCM(6540,6545) = 8560860
(i) The LCM of 6545 and 6540 is associative
LCM of 6540 and 6545 = LCM of 6545 and 6540
1. What is the LCM of 6540 and 6545?
Answer: LCM of 6540 and 6545 is 8560860.
2. What are the Factors of 6540?
Answer: Factors of 6540 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3270, 6540. There are 24 integers that are factors of 6540. The greatest factor of 6540 is 6540.
3. What are the Factors of 6545?
Answer: Factors of 6545 are 1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 6545. There are 16 integers that are factors of 6545. The greatest factor of 6545 is 6545.
4. How to Find the LCM of 6540 and 6545?
Answer:
Least Common Multiple of 6540 and 6545 = 8560860
Step 1: Find the prime factorization of 6540
6540 = 2 x 2 x 3 x 5 x 109
Step 2: Find the prime factorization of 6545
6545 = 5 x 7 x 11 x 17
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 8560860 = 2 x 2 x 3 x 5 x 7 x 11 x 17 x 109
Step 4: Therefore, the least common multiple of 6540 and 6545 is 8560860.