Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3638 and 3646 the smallest integer that is 6632074 that is divisible by both numbers.
Least Common Multiple (LCM) of 3638 and 3646 is 6632074.
LCM(3638,3646) = 6632074
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 3638 and 3646. First we will calculate the prime factors of 3638 and 3646.
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
Prime Factorization of 3646
2 | 3646 |
1823 | 1823 |
1 |
Prime factors of 3646 are 2,1823. Prime factorization of 3646 in exponential form is:
3646 = 21×18231
Now multiplying the highest exponent prime factors to calculate the LCM of 3638 and 3646.
LCM(3638,3646) = 21×171×1071×18231
LCM(3638,3646) = 6632074
Factors of 3638
List of positive integer factors of 3638 that divides 3638 without a remainder.
1, 2, 17, 34, 107, 214, 1819, 3638
Factors of 3646
List of positive integer factors of 3646 that divides 3646 without a remainder.
1, 2, 1823, 3646
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3638 and 3646, than apply into the LCM equation.
GCF(3638,3646) = 2
LCM(3638,3646) = ( 3638 × 3646) / 2
LCM(3638,3646) = 13264148 / 2
LCM(3638,3646) = 6632074
(i) The LCM of 3646 and 3638 is associative
LCM of 3638 and 3646 = LCM of 3646 and 3638
1. What is the LCM of 3638 and 3646?
Answer: LCM of 3638 and 3646 is 6632074.
2. 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.
3. What are the Factors of 3646?
Answer: Factors of 3646 are 1, 2, 1823, 3646. There are 4 integers that are factors of 3646. The greatest factor of 3646 is 3646.
4. How to Find the LCM of 3638 and 3646?
Answer:
Least Common Multiple of 3638 and 3646 = 6632074
Step 1: Find the prime factorization of 3638
3638 = 2 x 17 x 107
Step 2: Find the prime factorization of 3646
3646 = 2 x 1823
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 6632074 = 2 x 17 x 107 x 1823
Step 4: Therefore, the least common multiple of 3638 and 3646 is 6632074.