Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3721 and 3729 the smallest integer that is 13875609 that is divisible by both numbers.
Least Common Multiple (LCM) of 3721 and 3729 is 13875609.
LCM(3721,3729) = 13875609
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 3721 and 3729. First we will calculate the prime factors of 3721 and 3729.
Prime Factorization of 3721
61 | 3721 |
61 | 61 |
1 |
Prime factors of 3721 are 61. Prime factorization of 3721 in exponential form is:
3721 = 612
Prime Factorization of 3729
3 | 3729 |
11 | 1243 |
113 | 113 |
1 |
Prime factors of 3729 are 3, 11,113. Prime factorization of 3729 in exponential form is:
3729 = 31×111×1131
Now multiplying the highest exponent prime factors to calculate the LCM of 3721 and 3729.
LCM(3721,3729) = 31×111×612×1131
LCM(3721,3729) = 13875609
Factors of 3721
List of positive integer factors of 3721 that divides 3721 without a remainder.
1, 61, 3721
Factors of 3729
List of positive integer factors of 3729 that divides 3729 without a remainder.
1, 3, 11, 33, 113, 339, 1243, 3729
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3721 and 3729, than apply into the LCM equation.
GCF(3721,3729) = 1
LCM(3721,3729) = ( 3721 × 3729) / 1
LCM(3721,3729) = 13875609 / 1
LCM(3721,3729) = 13875609
(i) The LCM of 3729 and 3721 is associative
LCM of 3721 and 3729 = LCM of 3729 and 3721
1. What is the LCM of 3721 and 3729?
Answer: LCM of 3721 and 3729 is 13875609.
2. What are the Factors of 3721?
Answer: Factors of 3721 are 1, 61, 3721. There are 3 integers that are factors of 3721. The greatest factor of 3721 is 3721.
3. What are the Factors of 3729?
Answer: Factors of 3729 are 1, 3, 11, 33, 113, 339, 1243, 3729. There are 8 integers that are factors of 3729. The greatest factor of 3729 is 3729.
4. How to Find the LCM of 3721 and 3729?
Answer:
Least Common Multiple of 3721 and 3729 = 13875609
Step 1: Find the prime factorization of 3721
3721 = 61 x 61
Step 2: Find the prime factorization of 3729
3729 = 3 x 11 x 113
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 13875609 = 3 x 11 x 61 x 61 x 113
Step 4: Therefore, the least common multiple of 3721 and 3729 is 13875609.