Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7553 and 7558 the smallest integer that is 57085574 that is divisible by both numbers.
Least Common Multiple (LCM) of 7553 and 7558 is 57085574.
LCM(7553,7558) = 57085574
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 7553 and 7558. First we will calculate the prime factors of 7553 and 7558.
Prime Factorization of 7553
7 | 7553 |
13 | 1079 |
83 | 83 |
1 |
Prime factors of 7553 are 7, 13,83. Prime factorization of 7553 in exponential form is:
7553 = 71×131×831
Prime Factorization of 7558
2 | 7558 |
3779 | 3779 |
1 |
Prime factors of 7558 are 2,3779. Prime factorization of 7558 in exponential form is:
7558 = 21×37791
Now multiplying the highest exponent prime factors to calculate the LCM of 7553 and 7558.
LCM(7553,7558) = 21×71×131×831×37791
LCM(7553,7558) = 57085574
Factors of 7553
List of positive integer factors of 7553 that divides 7553 without a remainder.
1, 7, 13, 83, 91, 581, 1079, 7553
Factors of 7558
List of positive integer factors of 7558 that divides 7558 without a remainder.
1, 2, 3779, 7558
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7553 and 7558, than apply into the LCM equation.
GCF(7553,7558) = 1
LCM(7553,7558) = ( 7553 × 7558) / 1
LCM(7553,7558) = 57085574 / 1
LCM(7553,7558) = 57085574
(i) The LCM of 7558 and 7553 is associative
LCM of 7553 and 7558 = LCM of 7558 and 7553
1. What is the LCM of 7553 and 7558?
Answer: LCM of 7553 and 7558 is 57085574.
2. What are the Factors of 7553?
Answer: Factors of 7553 are 1, 7, 13, 83, 91, 581, 1079, 7553. There are 8 integers that are factors of 7553. The greatest factor of 7553 is 7553.
3. What are the Factors of 7558?
Answer: Factors of 7558 are 1, 2, 3779, 7558. There are 4 integers that are factors of 7558. The greatest factor of 7558 is 7558.
4. How to Find the LCM of 7553 and 7558?
Answer:
Least Common Multiple of 7553 and 7558 = 57085574
Step 1: Find the prime factorization of 7553
7553 = 7 x 13 x 83
Step 2: Find the prime factorization of 7558
7558 = 2 x 3779
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 57085574 = 2 x 7 x 13 x 83 x 3779
Step 4: Therefore, the least common multiple of 7553 and 7558 is 57085574.