Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3631 and 3638 the smallest integer that is 13209578 that is divisible by both numbers.
Least Common Multiple (LCM) of 3631 and 3638 is 13209578.
LCM(3631,3638) = 13209578
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 3631 and 3638. First we will calculate the prime factors of 3631 and 3638.
Prime Factorization of 3631
3631 | 3631 |
1 |
Prime factors of 3631 are 3631. Prime factorization of 3631 in exponential form is:
3631 = 36311
Prime Factorization of 3638
2 | 3638 |
17 | 1819 |
107 | 107 |
1 |
Prime factors of 3638 are 2, 17,107. Prime factorization of 3638 in exponential form is:
3638 = 21×171×1071
Now multiplying the highest exponent prime factors to calculate the LCM of 3631 and 3638.
LCM(3631,3638) = 21×171×1071×36311
LCM(3631,3638) = 13209578
Factors of 3631
List of positive integer factors of 3631 that divides 3631 without a remainder.
1, 3631
Factors of 3638
List of positive integer factors of 3638 that divides 3638 without a remainder.
1, 2, 17, 34, 107, 214, 1819, 3638
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3631 and 3638, than apply into the LCM equation.
GCF(3631,3638) = 1
LCM(3631,3638) = ( 3631 × 3638) / 1
LCM(3631,3638) = 13209578 / 1
LCM(3631,3638) = 13209578
(i) The LCM of 3638 and 3631 is associative
LCM of 3631 and 3638 = LCM of 3638 and 3631
1. What is the LCM of 3631 and 3638?
Answer: LCM of 3631 and 3638 is 13209578.
2. What are the Factors of 3631?
Answer: Factors of 3631 are 1, 3631. There are 2 integers that are factors of 3631. The greatest factor of 3631 is 3631.
3. What are the Factors of 3638?
Answer: Factors of 3638 are 1, 2, 17, 34, 107, 214, 1819, 3638. There are 8 integers that are factors of 3638. The greatest factor of 3638 is 3638.
4. How to Find the LCM of 3631 and 3638?
Answer:
Least Common Multiple of 3631 and 3638 = 13209578
Step 1: Find the prime factorization of 3631
3631 = 3631
Step 2: Find the prime factorization of 3638
3638 = 2 x 17 x 107
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 13209578 = 2 x 17 x 107 x 3631
Step 4: Therefore, the least common multiple of 3631 and 3638 is 13209578.