Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8871 and 8878 the smallest integer that is 78756738 that is divisible by both numbers.
Least Common Multiple (LCM) of 8871 and 8878 is 78756738.
LCM(8871,8878) = 78756738
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 8871 and 8878. First we will calculate the prime factors of 8871 and 8878.
Prime Factorization of 8871
3 | 8871 |
2957 | 2957 |
1 |
Prime factors of 8871 are 3,2957. Prime factorization of 8871 in exponential form is:
8871 = 31×29571
Prime Factorization of 8878
2 | 8878 |
23 | 4439 |
193 | 193 |
1 |
Prime factors of 8878 are 2, 23,193. Prime factorization of 8878 in exponential form is:
8878 = 21×231×1931
Now multiplying the highest exponent prime factors to calculate the LCM of 8871 and 8878.
LCM(8871,8878) = 21×31×231×1931×29571
LCM(8871,8878) = 78756738
Factors of 8871
List of positive integer factors of 8871 that divides 8871 without a remainder.
1, 3, 2957, 8871
Factors of 8878
List of positive integer factors of 8878 that divides 8878 without a remainder.
1, 2, 23, 46, 193, 386, 4439, 8878
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8871 and 8878, than apply into the LCM equation.
GCF(8871,8878) = 1
LCM(8871,8878) = ( 8871 × 8878) / 1
LCM(8871,8878) = 78756738 / 1
LCM(8871,8878) = 78756738
(i) The LCM of 8878 and 8871 is associative
LCM of 8871 and 8878 = LCM of 8878 and 8871
1. What is the LCM of 8871 and 8878?
Answer: LCM of 8871 and 8878 is 78756738.
2. What are the Factors of 8871?
Answer: Factors of 8871 are 1, 3, 2957, 8871. There are 4 integers that are factors of 8871. The greatest factor of 8871 is 8871.
3. What are the Factors of 8878?
Answer: Factors of 8878 are 1, 2, 23, 46, 193, 386, 4439, 8878. There are 8 integers that are factors of 8878. The greatest factor of 8878 is 8878.
4. How to Find the LCM of 8871 and 8878?
Answer:
Least Common Multiple of 8871 and 8878 = 78756738
Step 1: Find the prime factorization of 8871
8871 = 3 x 2957
Step 2: Find the prime factorization of 8878
8878 = 2 x 23 x 193
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 78756738 = 2 x 3 x 23 x 193 x 2957
Step 4: Therefore, the least common multiple of 8871 and 8878 is 78756738.