Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2715 and 2723 the smallest integer that is 7392945 that is divisible by both numbers.
Least Common Multiple (LCM) of 2715 and 2723 is 7392945.
LCM(2715,2723) = 7392945
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 2715 and 2723. First we will calculate the prime factors of 2715 and 2723.
Prime Factorization of 2715
3 | 2715 |
5 | 905 |
181 | 181 |
1 |
Prime factors of 2715 are 3, 5,181. Prime factorization of 2715 in exponential form is:
2715 = 31×51×1811
Prime Factorization of 2723
7 | 2723 |
389 | 389 |
1 |
Prime factors of 2723 are 7,389. Prime factorization of 2723 in exponential form is:
2723 = 71×3891
Now multiplying the highest exponent prime factors to calculate the LCM of 2715 and 2723.
LCM(2715,2723) = 31×51×71×1811×3891
LCM(2715,2723) = 7392945
Factors of 2715
List of positive integer factors of 2715 that divides 2715 without a remainder.
1, 3, 5, 15, 181, 543, 905, 2715
Factors of 2723
List of positive integer factors of 2723 that divides 2723 without a remainder.
1, 7, 389, 2723
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2715 and 2723, than apply into the LCM equation.
GCF(2715,2723) = 1
LCM(2715,2723) = ( 2715 × 2723) / 1
LCM(2715,2723) = 7392945 / 1
LCM(2715,2723) = 7392945
(i) The LCM of 2723 and 2715 is associative
LCM of 2715 and 2723 = LCM of 2723 and 2715
1. What is the LCM of 2715 and 2723?
Answer: LCM of 2715 and 2723 is 7392945.
2. What are the Factors of 2715?
Answer: Factors of 2715 are 1, 3, 5, 15, 181, 543, 905, 2715. There are 8 integers that are factors of 2715. The greatest factor of 2715 is 2715.
3. What are the Factors of 2723?
Answer: Factors of 2723 are 1, 7, 389, 2723. There are 4 integers that are factors of 2723. The greatest factor of 2723 is 2723.
4. How to Find the LCM of 2715 and 2723?
Answer:
Least Common Multiple of 2715 and 2723 = 7392945
Step 1: Find the prime factorization of 2715
2715 = 3 x 5 x 181
Step 2: Find the prime factorization of 2723
2723 = 7 x 389
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 7392945 = 3 x 5 x 7 x 181 x 389
Step 4: Therefore, the least common multiple of 2715 and 2723 is 7392945.