Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 9725 and 9729 the smallest integer that is 94614525 that is divisible by both numbers.
Least Common Multiple (LCM) of 9725 and 9729 is 94614525.
LCM(9725,9729) = 94614525
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 9725 and 9729. First we will calculate the prime factors of 9725 and 9729.
Prime Factorization of 9725
5 | 9725 |
5 | 1945 |
389 | 389 |
1 |
Prime factors of 9725 are 5,389. Prime factorization of 9725 in exponential form is:
9725 = 52×3891
Prime Factorization of 9729
3 | 9729 |
3 | 3243 |
23 | 1081 |
47 | 47 |
1 |
Prime factors of 9729 are 3, 23,47. Prime factorization of 9729 in exponential form is:
9729 = 32×231×471
Now multiplying the highest exponent prime factors to calculate the LCM of 9725 and 9729.
LCM(9725,9729) = 32×52×231×471×3891
LCM(9725,9729) = 94614525
Factors of 9725
List of positive integer factors of 9725 that divides 9725 without a remainder.
1, 5, 25, 389, 1945, 9725
Factors of 9729
List of positive integer factors of 9729 that divides 9729 without a remainder.
1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 3243, 9729
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9725 and 9729, than apply into the LCM equation.
GCF(9725,9729) = 1
LCM(9725,9729) = ( 9725 × 9729) / 1
LCM(9725,9729) = 94614525 / 1
LCM(9725,9729) = 94614525
(i) The LCM of 9729 and 9725 is associative
LCM of 9725 and 9729 = LCM of 9729 and 9725
1. What is the LCM of 9725 and 9729?
Answer: LCM of 9725 and 9729 is 94614525.
2. What are the Factors of 9725?
Answer: Factors of 9725 are 1, 5, 25, 389, 1945, 9725. There are 6 integers that are factors of 9725. The greatest factor of 9725 is 9725.
3. What are the Factors of 9729?
Answer: Factors of 9729 are 1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 3243, 9729. There are 12 integers that are factors of 9729. The greatest factor of 9729 is 9729.
4. How to Find the LCM of 9725 and 9729?
Answer:
Least Common Multiple of 9725 and 9729 = 94614525
Step 1: Find the prime factorization of 9725
9725 = 5 x 5 x 389
Step 2: Find the prime factorization of 9729
9729 = 3 x 3 x 23 x 47
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 94614525 = 3 x 3 x 5 x 5 x 23 x 47 x 389
Step 4: Therefore, the least common multiple of 9725 and 9729 is 94614525.