Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3621 and 3628 the smallest integer that is 13136988 that is divisible by both numbers.
Least Common Multiple (LCM) of 3621 and 3628 is 13136988.
LCM(3621,3628) = 13136988
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 3621 and 3628. First we will calculate the prime factors of 3621 and 3628.
Prime Factorization of 3621
3 | 3621 |
17 | 1207 |
71 | 71 |
1 |
Prime factors of 3621 are 3, 17,71. Prime factorization of 3621 in exponential form is:
3621 = 31×171×711
Prime Factorization of 3628
2 | 3628 |
2 | 1814 |
907 | 907 |
1 |
Prime factors of 3628 are 2,907. Prime factorization of 3628 in exponential form is:
3628 = 22×9071
Now multiplying the highest exponent prime factors to calculate the LCM of 3621 and 3628.
LCM(3621,3628) = 22×31×171×711×9071
LCM(3621,3628) = 13136988
Factors of 3621
List of positive integer factors of 3621 that divides 3621 without a remainder.
1, 3, 17, 51, 71, 213, 1207, 3621
Factors of 3628
List of positive integer factors of 3628 that divides 3628 without a remainder.
1, 2, 4, 907, 1814, 3628
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3621 and 3628, than apply into the LCM equation.
GCF(3621,3628) = 1
LCM(3621,3628) = ( 3621 × 3628) / 1
LCM(3621,3628) = 13136988 / 1
LCM(3621,3628) = 13136988
(i) The LCM of 3628 and 3621 is associative
LCM of 3621 and 3628 = LCM of 3628 and 3621
1. What is the LCM of 3621 and 3628?
Answer: LCM of 3621 and 3628 is 13136988.
2. What are the Factors of 3621?
Answer: Factors of 3621 are 1, 3, 17, 51, 71, 213, 1207, 3621. There are 8 integers that are factors of 3621. The greatest factor of 3621 is 3621.
3. What are the Factors of 3628?
Answer: Factors of 3628 are 1, 2, 4, 907, 1814, 3628. There are 6 integers that are factors of 3628. The greatest factor of 3628 is 3628.
4. How to Find the LCM of 3621 and 3628?
Answer:
Least Common Multiple of 3621 and 3628 = 13136988
Step 1: Find the prime factorization of 3621
3621 = 3 x 17 x 71
Step 2: Find the prime factorization of 3628
3628 = 2 x 2 x 907
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 13136988 = 2 x 2 x 3 x 17 x 71 x 907
Step 4: Therefore, the least common multiple of 3621 and 3628 is 13136988.