Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7654 and 7658 the smallest integer that is 29307166 that is divisible by both numbers.
Least Common Multiple (LCM) of 7654 and 7658 is 29307166.
LCM(7654,7658) = 29307166
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 7654 and 7658. First we will calculate the prime factors of 7654 and 7658.
Prime Factorization of 7654
2 | 7654 |
43 | 3827 |
89 | 89 |
1 |
Prime factors of 7654 are 2, 43,89. Prime factorization of 7654 in exponential form is:
7654 = 21×431×891
Prime Factorization of 7658
2 | 7658 |
7 | 3829 |
547 | 547 |
1 |
Prime factors of 7658 are 2, 7,547. Prime factorization of 7658 in exponential form is:
7658 = 21×71×5471
Now multiplying the highest exponent prime factors to calculate the LCM of 7654 and 7658.
LCM(7654,7658) = 21×71×431×891×5471
LCM(7654,7658) = 29307166
Factors of 7654
List of positive integer factors of 7654 that divides 7654 without a remainder.
1, 2, 43, 86, 89, 178, 3827, 7654
Factors of 7658
List of positive integer factors of 7658 that divides 7658 without a remainder.
1, 2, 7, 14, 547, 1094, 3829, 7658
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7654 and 7658, than apply into the LCM equation.
GCF(7654,7658) = 2
LCM(7654,7658) = ( 7654 × 7658) / 2
LCM(7654,7658) = 58614332 / 2
LCM(7654,7658) = 29307166
(i) The LCM of 7658 and 7654 is associative
LCM of 7654 and 7658 = LCM of 7658 and 7654
1. What is the LCM of 7654 and 7658?
Answer: LCM of 7654 and 7658 is 29307166.
2. What are the Factors of 7654?
Answer: Factors of 7654 are 1, 2, 43, 86, 89, 178, 3827, 7654. There are 8 integers that are factors of 7654. The greatest factor of 7654 is 7654.
3. What are the Factors of 7658?
Answer: Factors of 7658 are 1, 2, 7, 14, 547, 1094, 3829, 7658. There are 8 integers that are factors of 7658. The greatest factor of 7658 is 7658.
4. How to Find the LCM of 7654 and 7658?
Answer:
Least Common Multiple of 7654 and 7658 = 29307166
Step 1: Find the prime factorization of 7654
7654 = 2 x 43 x 89
Step 2: Find the prime factorization of 7658
7658 = 2 x 7 x 547
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 29307166 = 2 x 7 x 43 x 89 x 547
Step 4: Therefore, the least common multiple of 7654 and 7658 is 29307166.