Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6872 and 6880 the smallest integer that is 5909920 that is divisible by both numbers.
Least Common Multiple (LCM) of 6872 and 6880 is 5909920.
LCM(6872,6880) = 5909920
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 6872 and 6880. First we will calculate the prime factors of 6872 and 6880.
Prime Factorization of 6872
2 | 6872 |
2 | 3436 |
2 | 1718 |
859 | 859 |
1 |
Prime factors of 6872 are 2,859. Prime factorization of 6872 in exponential form is:
6872 = 23×8591
Prime Factorization of 6880
2 | 6880 |
2 | 3440 |
2 | 1720 |
2 | 860 |
2 | 430 |
5 | 215 |
43 | 43 |
1 |
Prime factors of 6880 are 2, 5,43. Prime factorization of 6880 in exponential form is:
6880 = 25×51×431
Now multiplying the highest exponent prime factors to calculate the LCM of 6872 and 6880.
LCM(6872,6880) = 25×51×431×8591
LCM(6872,6880) = 5909920
Factors of 6872
List of positive integer factors of 6872 that divides 6872 without a remainder.
1, 2, 4, 8, 859, 1718, 3436, 6872
Factors of 6880
List of positive integer factors of 6880 that divides 6880 without a remainder.
1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6872 and 6880, than apply into the LCM equation.
GCF(6872,6880) = 8
LCM(6872,6880) = ( 6872 × 6880) / 8
LCM(6872,6880) = 47279360 / 8
LCM(6872,6880) = 5909920
(i) The LCM of 6880 and 6872 is associative
LCM of 6872 and 6880 = LCM of 6880 and 6872
1. What is the LCM of 6872 and 6880?
Answer: LCM of 6872 and 6880 is 5909920.
2. What are the Factors of 6872?
Answer: Factors of 6872 are 1, 2, 4, 8, 859, 1718, 3436, 6872. There are 8 integers that are factors of 6872. The greatest factor of 6872 is 6872.
3. What are the Factors of 6880?
Answer: Factors of 6880 are 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880. There are 24 integers that are factors of 6880. The greatest factor of 6880 is 6880.
4. How to Find the LCM of 6872 and 6880?
Answer:
Least Common Multiple of 6872 and 6880 = 5909920
Step 1: Find the prime factorization of 6872
6872 = 2 x 2 x 2 x 859
Step 2: Find the prime factorization of 6880
6880 = 2 x 2 x 2 x 2 x 2 x 5 x 43
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 5909920 = 2 x 2 x 2 x 2 x 2 x 5 x 43 x 859
Step 4: Therefore, the least common multiple of 6872 and 6880 is 5909920.