Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2872 and 2878 the smallest integer that is 4132808 that is divisible by both numbers.
Least Common Multiple (LCM) of 2872 and 2878 is 4132808.
LCM(2872,2878) = 4132808
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 2872 and 2878. First we will calculate the prime factors of 2872 and 2878.
Prime Factorization of 2872
2 | 2872 |
2 | 1436 |
2 | 718 |
359 | 359 |
1 |
Prime factors of 2872 are 2,359. Prime factorization of 2872 in exponential form is:
2872 = 23×3591
Prime Factorization of 2878
2 | 2878 |
1439 | 1439 |
1 |
Prime factors of 2878 are 2,1439. Prime factorization of 2878 in exponential form is:
2878 = 21×14391
Now multiplying the highest exponent prime factors to calculate the LCM of 2872 and 2878.
LCM(2872,2878) = 23×3591×14391
LCM(2872,2878) = 4132808
Factors of 2872
List of positive integer factors of 2872 that divides 2872 without a remainder.
1, 2, 4, 8, 359, 718, 1436, 2872
Factors of 2878
List of positive integer factors of 2878 that divides 2878 without a remainder.
1, 2, 1439, 2878
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2872 and 2878, than apply into the LCM equation.
GCF(2872,2878) = 2
LCM(2872,2878) = ( 2872 × 2878) / 2
LCM(2872,2878) = 8265616 / 2
LCM(2872,2878) = 4132808
(i) The LCM of 2878 and 2872 is associative
LCM of 2872 and 2878 = LCM of 2878 and 2872
1. What is the LCM of 2872 and 2878?
Answer: LCM of 2872 and 2878 is 4132808.
2. What are the Factors of 2872?
Answer: Factors of 2872 are 1, 2, 4, 8, 359, 718, 1436, 2872. There are 8 integers that are factors of 2872. The greatest factor of 2872 is 2872.
3. What are the Factors of 2878?
Answer: Factors of 2878 are 1, 2, 1439, 2878. There are 4 integers that are factors of 2878. The greatest factor of 2878 is 2878.
4. How to Find the LCM of 2872 and 2878?
Answer:
Least Common Multiple of 2872 and 2878 = 4132808
Step 1: Find the prime factorization of 2872
2872 = 2 x 2 x 2 x 359
Step 2: Find the prime factorization of 2878
2878 = 2 x 1439
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 4132808 = 2 x 2 x 2 x 359 x 1439
Step 4: Therefore, the least common multiple of 2872 and 2878 is 4132808.