Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 9723 and 9728 the smallest integer that is 94585344 that is divisible by both numbers.
Least Common Multiple (LCM) of 9723 and 9728 is 94585344.
LCM(9723,9728) = 94585344
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 9723 and 9728. First we will calculate the prime factors of 9723 and 9728.
Prime Factorization of 9723
3 | 9723 |
7 | 3241 |
463 | 463 |
1 |
Prime factors of 9723 are 3, 7,463. Prime factorization of 9723 in exponential form is:
9723 = 31×71×4631
Prime Factorization of 9728
2 | 9728 |
2 | 4864 |
2 | 2432 |
2 | 1216 |
2 | 608 |
2 | 304 |
2 | 152 |
2 | 76 |
2 | 38 |
19 | 19 |
1 |
Prime factors of 9728 are 2,19. Prime factorization of 9728 in exponential form is:
9728 = 29×191
Now multiplying the highest exponent prime factors to calculate the LCM of 9723 and 9728.
LCM(9723,9728) = 29×31×71×191×4631
LCM(9723,9728) = 94585344
Factors of 9723
List of positive integer factors of 9723 that divides 9723 without a remainder.
1, 3, 7, 21, 463, 1389, 3241, 9723
Factors of 9728
List of positive integer factors of 9728 that divides 9728 without a remainder.
1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2432, 4864, 9728
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9723 and 9728, than apply into the LCM equation.
GCF(9723,9728) = 1
LCM(9723,9728) = ( 9723 × 9728) / 1
LCM(9723,9728) = 94585344 / 1
LCM(9723,9728) = 94585344
(i) The LCM of 9728 and 9723 is associative
LCM of 9723 and 9728 = LCM of 9728 and 9723
1. What is the LCM of 9723 and 9728?
Answer: LCM of 9723 and 9728 is 94585344.
2. What are the Factors of 9723?
Answer: Factors of 9723 are 1, 3, 7, 21, 463, 1389, 3241, 9723. There are 8 integers that are factors of 9723. The greatest factor of 9723 is 9723.
3. What are the Factors of 9728?
Answer: Factors of 9728 are 1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2432, 4864, 9728. There are 20 integers that are factors of 9728. The greatest factor of 9728 is 9728.
4. How to Find the LCM of 9723 and 9728?
Answer:
Least Common Multiple of 9723 and 9728 = 94585344
Step 1: Find the prime factorization of 9723
9723 = 3 x 7 x 463
Step 2: Find the prime factorization of 9728
9728 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 19
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 94585344 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 7 x 19 x 463
Step 4: Therefore, the least common multiple of 9723 and 9728 is 94585344.