Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 4611 and 4615 the smallest integer that is 21279765 that is divisible by both numbers.
Least Common Multiple (LCM) of 4611 and 4615 is 21279765.
LCM(4611,4615) = 21279765
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 4611 and 4615. First we will calculate the prime factors of 4611 and 4615.
Prime Factorization of 4611
3 | 4611 |
29 | 1537 |
53 | 53 |
1 |
Prime factors of 4611 are 3, 29,53. Prime factorization of 4611 in exponential form is:
4611 = 31×291×531
Prime Factorization of 4615
5 | 4615 |
13 | 923 |
71 | 71 |
1 |
Prime factors of 4615 are 5, 13,71. Prime factorization of 4615 in exponential form is:
4615 = 51×131×711
Now multiplying the highest exponent prime factors to calculate the LCM of 4611 and 4615.
LCM(4611,4615) = 31×51×131×291×531×711
LCM(4611,4615) = 21279765
Factors of 4611
List of positive integer factors of 4611 that divides 4611 without a remainder.
1, 3, 29, 53, 87, 159, 1537, 4611
Factors of 4615
List of positive integer factors of 4615 that divides 4615 without a remainder.
1, 5, 13, 65, 71, 355, 923, 4615
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4611 and 4615, than apply into the LCM equation.
GCF(4611,4615) = 1
LCM(4611,4615) = ( 4611 × 4615) / 1
LCM(4611,4615) = 21279765 / 1
LCM(4611,4615) = 21279765
(i) The LCM of 4615 and 4611 is associative
LCM of 4611 and 4615 = LCM of 4615 and 4611
1. What is the LCM of 4611 and 4615?
Answer: LCM of 4611 and 4615 is 21279765.
2. What are the Factors of 4611?
Answer: Factors of 4611 are 1, 3, 29, 53, 87, 159, 1537, 4611. There are 8 integers that are factors of 4611. The greatest factor of 4611 is 4611.
3. What are the Factors of 4615?
Answer: Factors of 4615 are 1, 5, 13, 65, 71, 355, 923, 4615. There are 8 integers that are factors of 4615. The greatest factor of 4615 is 4615.
4. How to Find the LCM of 4611 and 4615?
Answer:
Least Common Multiple of 4611 and 4615 = 21279765
Step 1: Find the prime factorization of 4611
4611 = 3 x 29 x 53
Step 2: Find the prime factorization of 4615
4615 = 5 x 13 x 71
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 21279765 = 3 x 5 x 13 x 29 x 53 x 71
Step 4: Therefore, the least common multiple of 4611 and 4615 is 21279765.