Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7748 and 7756 the smallest integer that is 15023372 that is divisible by both numbers.
Least Common Multiple (LCM) of 7748 and 7756 is 15023372.
LCM(7748,7756) = 15023372
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 7748 and 7756. First we will calculate the prime factors of 7748 and 7756.
Prime Factorization of 7748
2 | 7748 |
2 | 3874 |
13 | 1937 |
149 | 149 |
1 |
Prime factors of 7748 are 2, 13,149. Prime factorization of 7748 in exponential form is:
7748 = 22×131×1491
Prime Factorization of 7756
2 | 7756 |
2 | 3878 |
7 | 1939 |
277 | 277 |
1 |
Prime factors of 7756 are 2, 7,277. Prime factorization of 7756 in exponential form is:
7756 = 22×71×2771
Now multiplying the highest exponent prime factors to calculate the LCM of 7748 and 7756.
LCM(7748,7756) = 22×71×131×1491×2771
LCM(7748,7756) = 15023372
Factors of 7748
List of positive integer factors of 7748 that divides 7748 without a remainder.
1, 2, 4, 13, 26, 52, 149, 298, 596, 1937, 3874, 7748
Factors of 7756
List of positive integer factors of 7756 that divides 7756 without a remainder.
1, 2, 4, 7, 14, 28, 277, 554, 1108, 1939, 3878, 7756
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7748 and 7756, than apply into the LCM equation.
GCF(7748,7756) = 4
LCM(7748,7756) = ( 7748 × 7756) / 4
LCM(7748,7756) = 60093488 / 4
LCM(7748,7756) = 15023372
(i) The LCM of 7756 and 7748 is associative
LCM of 7748 and 7756 = LCM of 7756 and 7748
1. What is the LCM of 7748 and 7756?
Answer: LCM of 7748 and 7756 is 15023372.
2. What are the Factors of 7748?
Answer: Factors of 7748 are 1, 2, 4, 13, 26, 52, 149, 298, 596, 1937, 3874, 7748. There are 12 integers that are factors of 7748. The greatest factor of 7748 is 7748.
3. What are the Factors of 7756?
Answer: Factors of 7756 are 1, 2, 4, 7, 14, 28, 277, 554, 1108, 1939, 3878, 7756. There are 12 integers that are factors of 7756. The greatest factor of 7756 is 7756.
4. How to Find the LCM of 7748 and 7756?
Answer:
Least Common Multiple of 7748 and 7756 = 15023372
Step 1: Find the prime factorization of 7748
7748 = 2 x 2 x 13 x 149
Step 2: Find the prime factorization of 7756
7756 = 2 x 2 x 7 x 277
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 15023372 = 2 x 2 x 7 x 13 x 149 x 277
Step 4: Therefore, the least common multiple of 7748 and 7756 is 15023372.