Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7863 and 7871 the smallest integer that is 61889673 that is divisible by both numbers.
Least Common Multiple (LCM) of 7863 and 7871 is 61889673.
LCM(7863,7871) = 61889673
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 7863 and 7871. First we will calculate the prime factors of 7863 and 7871.
Prime Factorization of 7863
3 | 7863 |
2621 | 2621 |
1 |
Prime factors of 7863 are 3,2621. Prime factorization of 7863 in exponential form is:
7863 = 31×26211
Prime Factorization of 7871
17 | 7871 |
463 | 463 |
1 |
Prime factors of 7871 are 17,463. Prime factorization of 7871 in exponential form is:
7871 = 171×4631
Now multiplying the highest exponent prime factors to calculate the LCM of 7863 and 7871.
LCM(7863,7871) = 31×171×4631×26211
LCM(7863,7871) = 61889673
Factors of 7863
List of positive integer factors of 7863 that divides 7863 without a remainder.
1, 3, 2621, 7863
Factors of 7871
List of positive integer factors of 7871 that divides 7871 without a remainder.
1, 17, 463, 7871
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7863 and 7871, than apply into the LCM equation.
GCF(7863,7871) = 1
LCM(7863,7871) = ( 7863 × 7871) / 1
LCM(7863,7871) = 61889673 / 1
LCM(7863,7871) = 61889673
(i) The LCM of 7871 and 7863 is associative
LCM of 7863 and 7871 = LCM of 7871 and 7863
1. What is the LCM of 7863 and 7871?
Answer: LCM of 7863 and 7871 is 61889673.
2. What are the Factors of 7863?
Answer: Factors of 7863 are 1, 3, 2621, 7863. There are 4 integers that are factors of 7863. The greatest factor of 7863 is 7863.
3. What are the Factors of 7871?
Answer: Factors of 7871 are 1, 17, 463, 7871. There are 4 integers that are factors of 7871. The greatest factor of 7871 is 7871.
4. How to Find the LCM of 7863 and 7871?
Answer:
Least Common Multiple of 7863 and 7871 = 61889673
Step 1: Find the prime factorization of 7863
7863 = 3 x 2621
Step 2: Find the prime factorization of 7871
7871 = 17 x 463
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 61889673 = 3 x 17 x 463 x 2621
Step 4: Therefore, the least common multiple of 7863 and 7871 is 61889673.