Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8615 and 8621 the smallest integer that is 74269915 that is divisible by both numbers.
Least Common Multiple (LCM) of 8615 and 8621 is 74269915.
LCM(8615,8621) = 74269915
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 8615 and 8621. First we will calculate the prime factors of 8615 and 8621.
Prime Factorization of 8615
5 | 8615 |
1723 | 1723 |
1 |
Prime factors of 8615 are 5,1723. Prime factorization of 8615 in exponential form is:
8615 = 51×17231
Prime Factorization of 8621
37 | 8621 |
233 | 233 |
1 |
Prime factors of 8621 are 37,233. Prime factorization of 8621 in exponential form is:
8621 = 371×2331
Now multiplying the highest exponent prime factors to calculate the LCM of 8615 and 8621.
LCM(8615,8621) = 51×371×2331×17231
LCM(8615,8621) = 74269915
Factors of 8615
List of positive integer factors of 8615 that divides 8615 without a remainder.
1, 5, 1723, 8615
Factors of 8621
List of positive integer factors of 8621 that divides 8621 without a remainder.
1, 37, 233, 8621
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8615 and 8621, than apply into the LCM equation.
GCF(8615,8621) = 1
LCM(8615,8621) = ( 8615 × 8621) / 1
LCM(8615,8621) = 74269915 / 1
LCM(8615,8621) = 74269915
(i) The LCM of 8621 and 8615 is associative
LCM of 8615 and 8621 = LCM of 8621 and 8615
1. What is the LCM of 8615 and 8621?
Answer: LCM of 8615 and 8621 is 74269915.
2. What are the Factors of 8615?
Answer: Factors of 8615 are 1, 5, 1723, 8615. There are 4 integers that are factors of 8615. The greatest factor of 8615 is 8615.
3. What are the Factors of 8621?
Answer: Factors of 8621 are 1, 37, 233, 8621. There are 4 integers that are factors of 8621. The greatest factor of 8621 is 8621.
4. How to Find the LCM of 8615 and 8621?
Answer:
Least Common Multiple of 8615 and 8621 = 74269915
Step 1: Find the prime factorization of 8615
8615 = 5 x 1723
Step 2: Find the prime factorization of 8621
8621 = 37 x 233
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 74269915 = 5 x 37 x 233 x 1723
Step 4: Therefore, the least common multiple of 8615 and 8621 is 74269915.