Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8665 and 8672 the smallest integer that is 75142880 that is divisible by both numbers.
Least Common Multiple (LCM) of 8665 and 8672 is 75142880.
LCM(8665,8672) = 75142880
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 8665 and 8672. First we will calculate the prime factors of 8665 and 8672.
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
Prime Factorization of 8672
2 | 8672 |
2 | 4336 |
2 | 2168 |
2 | 1084 |
2 | 542 |
271 | 271 |
1 |
Prime factors of 8672 are 2,271. Prime factorization of 8672 in exponential form is:
8672 = 25×2711
Now multiplying the highest exponent prime factors to calculate the LCM of 8665 and 8672.
LCM(8665,8672) = 25×51×2711×17331
LCM(8665,8672) = 75142880
Factors of 8665
List of positive integer factors of 8665 that divides 8665 without a remainder.
1, 5, 1733, 8665
Factors of 8672
List of positive integer factors of 8672 that divides 8672 without a remainder.
1, 2, 4, 8, 16, 32, 271, 542, 1084, 2168, 4336, 8672
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8665 and 8672, than apply into the LCM equation.
GCF(8665,8672) = 1
LCM(8665,8672) = ( 8665 × 8672) / 1
LCM(8665,8672) = 75142880 / 1
LCM(8665,8672) = 75142880
(i) The LCM of 8672 and 8665 is associative
LCM of 8665 and 8672 = LCM of 8672 and 8665
1. What is the LCM of 8665 and 8672?
Answer: LCM of 8665 and 8672 is 75142880.
2. 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.
3. What are the Factors of 8672?
Answer: Factors of 8672 are 1, 2, 4, 8, 16, 32, 271, 542, 1084, 2168, 4336, 8672. There are 12 integers that are factors of 8672. The greatest factor of 8672 is 8672.
4. How to Find the LCM of 8665 and 8672?
Answer:
Least Common Multiple of 8665 and 8672 = 75142880
Step 1: Find the prime factorization of 8665
8665 = 5 x 1733
Step 2: Find the prime factorization of 8672
8672 = 2 x 2 x 2 x 2 x 2 x 271
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 75142880 = 2 x 2 x 2 x 2 x 2 x 5 x 271 x 1733
Step 4: Therefore, the least common multiple of 8665 and 8672 is 75142880.