Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 867 and 872 the smallest integer that is 756024 that is divisible by both numbers.
Least Common Multiple (LCM) of 867 and 872 is 756024.
LCM(867,872) = 756024
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 867 and 872. First we will calculate the prime factors of 867 and 872.
Prime Factorization of 867
3 | 867 |
17 | 289 |
17 | 17 |
1 |
Prime factors of 867 are 3,17. Prime factorization of 867 in exponential form is:
867 = 31×172
Prime Factorization of 872
2 | 872 |
2 | 436 |
2 | 218 |
109 | 109 |
1 |
Prime factors of 872 are 2,109. Prime factorization of 872 in exponential form is:
872 = 23×1091
Now multiplying the highest exponent prime factors to calculate the LCM of 867 and 872.
LCM(867,872) = 23×31×172×1091
LCM(867,872) = 756024
Factors of 867
List of positive integer factors of 867 that divides 867 without a remainder.
1, 3, 17, 51, 289, 867
Factors of 872
List of positive integer factors of 872 that divides 872 without a remainder.
1, 2, 4, 8, 109, 218, 436, 872
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 867 and 872, than apply into the LCM equation.
GCF(867,872) = 1
LCM(867,872) = ( 867 × 872) / 1
LCM(867,872) = 756024 / 1
LCM(867,872) = 756024
(i) The LCM of 872 and 867 is associative
LCM of 867 and 872 = LCM of 872 and 867
1. What is the LCM of 867 and 872?
Answer: LCM of 867 and 872 is 756024.
2. What are the Factors of 867?
Answer: Factors of 867 are 1, 3, 17, 51, 289, 867. There are 6 integers that are factors of 867. The greatest factor of 867 is 867.
3. What are the Factors of 872?
Answer: Factors of 872 are 1, 2, 4, 8, 109, 218, 436, 872. There are 8 integers that are factors of 872. The greatest factor of 872 is 872.
4. How to Find the LCM of 867 and 872?
Answer:
Least Common Multiple of 867 and 872 = 756024
Step 1: Find the prime factorization of 867
867 = 3 x 17 x 17
Step 2: Find the prime factorization of 872
872 = 2 x 2 x 2 x 109
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 756024 = 2 x 2 x 2 x 3 x 17 x 17 x 109
Step 4: Therefore, the least common multiple of 867 and 872 is 756024.