Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3645 and 3650 the smallest integer that is 2660850 that is divisible by both numbers.
Least Common Multiple (LCM) of 3645 and 3650 is 2660850.
LCM(3645,3650) = 2660850
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 3645 and 3650. First we will calculate the prime factors of 3645 and 3650.
Prime Factorization of 3645
3 | 3645 |
3 | 1215 |
3 | 405 |
3 | 135 |
3 | 45 |
3 | 15 |
5 | 5 |
1 |
Prime factors of 3645 are 3,5. Prime factorization of 3645 in exponential form is:
3645 = 36×51
Prime Factorization of 3650
2 | 3650 |
5 | 1825 |
5 | 365 |
73 | 73 |
1 |
Prime factors of 3650 are 2, 5,73. Prime factorization of 3650 in exponential form is:
3650 = 21×52×731
Now multiplying the highest exponent prime factors to calculate the LCM of 3645 and 3650.
LCM(3645,3650) = 21×36×52×731
LCM(3645,3650) = 2660850
Factors of 3645
List of positive integer factors of 3645 that divides 3645 without a remainder.
1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645
Factors of 3650
List of positive integer factors of 3650 that divides 3650 without a remainder.
1, 2, 5, 10, 25, 50, 73, 146, 365, 730, 1825, 3650
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3645 and 3650, than apply into the LCM equation.
GCF(3645,3650) = 5
LCM(3645,3650) = ( 3645 × 3650) / 5
LCM(3645,3650) = 13304250 / 5
LCM(3645,3650) = 2660850
(i) The LCM of 3650 and 3645 is associative
LCM of 3645 and 3650 = LCM of 3650 and 3645
1. What is the LCM of 3645 and 3650?
Answer: LCM of 3645 and 3650 is 2660850.
2. What are the Factors of 3645?
Answer: Factors of 3645 are 1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645. There are 14 integers that are factors of 3645. The greatest factor of 3645 is 3645.
3. What are the Factors of 3650?
Answer: Factors of 3650 are 1, 2, 5, 10, 25, 50, 73, 146, 365, 730, 1825, 3650. There are 12 integers that are factors of 3650. The greatest factor of 3650 is 3650.
4. How to Find the LCM of 3645 and 3650?
Answer:
Least Common Multiple of 3645 and 3650 = 2660850
Step 1: Find the prime factorization of 3645
3645 = 3 x 3 x 3 x 3 x 3 x 3 x 5
Step 2: Find the prime factorization of 3650
3650 = 2 x 5 x 5 x 73
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2660850 = 2 x 3 x 3 x 3 x 3 x 3 x 3 x 5 x 5 x 73
Step 4: Therefore, the least common multiple of 3645 and 3650 is 2660850.