Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 5721 and 5729 the smallest integer that is 32775609 that is divisible by both numbers.
Least Common Multiple (LCM) of 5721 and 5729 is 32775609.
LCM(5721,5729) = 32775609
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 5721 and 5729. First we will calculate the prime factors of 5721 and 5729.
Prime Factorization of 5721
3 | 5721 |
1907 | 1907 |
1 |
Prime factors of 5721 are 3,1907. Prime factorization of 5721 in exponential form is:
5721 = 31×19071
Prime Factorization of 5729
17 | 5729 |
337 | 337 |
1 |
Prime factors of 5729 are 17,337. Prime factorization of 5729 in exponential form is:
5729 = 171×3371
Now multiplying the highest exponent prime factors to calculate the LCM of 5721 and 5729.
LCM(5721,5729) = 31×171×3371×19071
LCM(5721,5729) = 32775609
Factors of 5721
List of positive integer factors of 5721 that divides 5721 without a remainder.
1, 3, 1907, 5721
Factors of 5729
List of positive integer factors of 5729 that divides 5729 without a remainder.
1, 17, 337, 5729
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5721 and 5729, than apply into the LCM equation.
GCF(5721,5729) = 1
LCM(5721,5729) = ( 5721 × 5729) / 1
LCM(5721,5729) = 32775609 / 1
LCM(5721,5729) = 32775609
(i) The LCM of 5729 and 5721 is associative
LCM of 5721 and 5729 = LCM of 5729 and 5721
1. What is the LCM of 5721 and 5729?
Answer: LCM of 5721 and 5729 is 32775609.
2. What are the Factors of 5721?
Answer: Factors of 5721 are 1, 3, 1907, 5721. There are 4 integers that are factors of 5721. The greatest factor of 5721 is 5721.
3. What are the Factors of 5729?
Answer: Factors of 5729 are 1, 17, 337, 5729. There are 4 integers that are factors of 5729. The greatest factor of 5729 is 5729.
4. How to Find the LCM of 5721 and 5729?
Answer:
Least Common Multiple of 5721 and 5729 = 32775609
Step 1: Find the prime factorization of 5721
5721 = 3 x 1907
Step 2: Find the prime factorization of 5729
5729 = 17 x 337
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 32775609 = 3 x 17 x 337 x 1907
Step 4: Therefore, the least common multiple of 5721 and 5729 is 32775609.