Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2723 and 2728 the smallest integer that is 7428344 that is divisible by both numbers.
Least Common Multiple (LCM) of 2723 and 2728 is 7428344.
LCM(2723,2728) = 7428344
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 2723 and 2728. First we will calculate the prime factors of 2723 and 2728.
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
Prime Factorization of 2728
2 | 2728 |
2 | 1364 |
2 | 682 |
11 | 341 |
31 | 31 |
1 |
Prime factors of 2728 are 2, 11,31. Prime factorization of 2728 in exponential form is:
2728 = 23×111×311
Now multiplying the highest exponent prime factors to calculate the LCM of 2723 and 2728.
LCM(2723,2728) = 23×71×111×311×3891
LCM(2723,2728) = 7428344
Factors of 2723
List of positive integer factors of 2723 that divides 2723 without a remainder.
1, 7, 389, 2723
Factors of 2728
List of positive integer factors of 2728 that divides 2728 without a remainder.
1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2723 and 2728, than apply into the LCM equation.
GCF(2723,2728) = 1
LCM(2723,2728) = ( 2723 × 2728) / 1
LCM(2723,2728) = 7428344 / 1
LCM(2723,2728) = 7428344
(i) The LCM of 2728 and 2723 is associative
LCM of 2723 and 2728 = LCM of 2728 and 2723
1. What is the LCM of 2723 and 2728?
Answer: LCM of 2723 and 2728 is 7428344.
2. 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.
3. What are the Factors of 2728?
Answer: Factors of 2728 are 1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728. There are 16 integers that are factors of 2728. The greatest factor of 2728 is 2728.
4. How to Find the LCM of 2723 and 2728?
Answer:
Least Common Multiple of 2723 and 2728 = 7428344
Step 1: Find the prime factorization of 2723
2723 = 7 x 389
Step 2: Find the prime factorization of 2728
2728 = 2 x 2 x 2 x 11 x 31
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 7428344 = 2 x 2 x 2 x 7 x 11 x 31 x 389
Step 4: Therefore, the least common multiple of 2723 and 2728 is 7428344.