Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7891 and 7896 the smallest integer that is 62307336 that is divisible by both numbers.
Least Common Multiple (LCM) of 7891 and 7896 is 62307336.
LCM(7891,7896) = 62307336
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 7891 and 7896. First we will calculate the prime factors of 7891 and 7896.
Prime Factorization of 7891
13 | 7891 |
607 | 607 |
1 |
Prime factors of 7891 are 13,607. Prime factorization of 7891 in exponential form is:
7891 = 131×6071
Prime Factorization of 7896
2 | 7896 |
2 | 3948 |
2 | 1974 |
3 | 987 |
7 | 329 |
47 | 47 |
1 |
Prime factors of 7896 are 2, 3, 7,47. Prime factorization of 7896 in exponential form is:
7896 = 23×31×71×471
Now multiplying the highest exponent prime factors to calculate the LCM of 7891 and 7896.
LCM(7891,7896) = 23×31×71×131×471×6071
LCM(7891,7896) = 62307336
Factors of 7891
List of positive integer factors of 7891 that divides 7891 without a remainder.
1, 13, 607, 7891
Factors of 7896
List of positive integer factors of 7896 that divides 7896 without a remainder.
1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 47, 56, 84, 94, 141, 168, 188, 282, 329, 376, 564, 658, 987, 1128, 1316, 1974, 2632, 3948, 7896
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7891 and 7896, than apply into the LCM equation.
GCF(7891,7896) = 1
LCM(7891,7896) = ( 7891 × 7896) / 1
LCM(7891,7896) = 62307336 / 1
LCM(7891,7896) = 62307336
(i) The LCM of 7896 and 7891 is associative
LCM of 7891 and 7896 = LCM of 7896 and 7891
1. What is the LCM of 7891 and 7896?
Answer: LCM of 7891 and 7896 is 62307336.
2. What are the Factors of 7891?
Answer: Factors of 7891 are 1, 13, 607, 7891. There are 4 integers that are factors of 7891. The greatest factor of 7891 is 7891.
3. What are the Factors of 7896?
Answer: Factors of 7896 are 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 47, 56, 84, 94, 141, 168, 188, 282, 329, 376, 564, 658, 987, 1128, 1316, 1974, 2632, 3948, 7896. There are 32 integers that are factors of 7896. The greatest factor of 7896 is 7896.
4. How to Find the LCM of 7891 and 7896?
Answer:
Least Common Multiple of 7891 and 7896 = 62307336
Step 1: Find the prime factorization of 7891
7891 = 13 x 607
Step 2: Find the prime factorization of 7896
7896 = 2 x 2 x 2 x 3 x 7 x 47
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 62307336 = 2 x 2 x 2 x 3 x 7 x 13 x 47 x 607
Step 4: Therefore, the least common multiple of 7891 and 7896 is 62307336.