Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8661 and 8665 the smallest integer that is 75047565 that is divisible by both numbers.
Least Common Multiple (LCM) of 8661 and 8665 is 75047565.
LCM(8661,8665) = 75047565
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 8661 and 8665. First we will calculate the prime factors of 8661 and 8665.
Prime Factorization of 8661
3 | 8661 |
2887 | 2887 |
1 |
Prime factors of 8661 are 3,2887. Prime factorization of 8661 in exponential form is:
8661 = 31×28871
Prime Factorization of 8665
5 | 8665 |
1733 | 1733 |
1 |
Prime factors of 8665 are 5,1733. Prime factorization of 8665 in exponential form is:
8665 = 51×17331
Now multiplying the highest exponent prime factors to calculate the LCM of 8661 and 8665.
LCM(8661,8665) = 31×51×17331×28871
LCM(8661,8665) = 75047565
Factors of 8661
List of positive integer factors of 8661 that divides 8661 without a remainder.
1, 3, 2887, 8661
Factors of 8665
List of positive integer factors of 8665 that divides 8665 without a remainder.
1, 5, 1733, 8665
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8661 and 8665, than apply into the LCM equation.
GCF(8661,8665) = 1
LCM(8661,8665) = ( 8661 × 8665) / 1
LCM(8661,8665) = 75047565 / 1
LCM(8661,8665) = 75047565
(i) The LCM of 8665 and 8661 is associative
LCM of 8661 and 8665 = LCM of 8665 and 8661
1. What is the LCM of 8661 and 8665?
Answer: LCM of 8661 and 8665 is 75047565.
2. What are the Factors of 8661?
Answer: Factors of 8661 are 1, 3, 2887, 8661. There are 4 integers that are factors of 8661. The greatest factor of 8661 is 8661.
3. What are the Factors of 8665?
Answer: Factors of 8665 are 1, 5, 1733, 8665. There are 4 integers that are factors of 8665. The greatest factor of 8665 is 8665.
4. How to Find the LCM of 8661 and 8665?
Answer:
Least Common Multiple of 8661 and 8665 = 75047565
Step 1: Find the prime factorization of 8661
8661 = 3 x 2887
Step 2: Find the prime factorization of 8665
8665 = 5 x 1733
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 75047565 = 3 x 5 x 1733 x 2887
Step 4: Therefore, the least common multiple of 8661 and 8665 is 75047565.