Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3641 and 3645 the smallest integer that is 13271445 that is divisible by both numbers.
Least Common Multiple (LCM) of 3641 and 3645 is 13271445.
LCM(3641,3645) = 13271445
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 3641 and 3645. First we will calculate the prime factors of 3641 and 3645.
Prime Factorization of 3641
11 | 3641 |
331 | 331 |
1 |
Prime factors of 3641 are 11,331. Prime factorization of 3641 in exponential form is:
3641 = 111×3311
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
Now multiplying the highest exponent prime factors to calculate the LCM of 3641 and 3645.
LCM(3641,3645) = 36×51×111×3311
LCM(3641,3645) = 13271445
Factors of 3641
List of positive integer factors of 3641 that divides 3641 without a remainder.
1, 11, 331, 3641
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
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3641 and 3645, than apply into the LCM equation.
GCF(3641,3645) = 1
LCM(3641,3645) = ( 3641 × 3645) / 1
LCM(3641,3645) = 13271445 / 1
LCM(3641,3645) = 13271445
(i) The LCM of 3645 and 3641 is associative
LCM of 3641 and 3645 = LCM of 3645 and 3641
1. What is the LCM of 3641 and 3645?
Answer: LCM of 3641 and 3645 is 13271445.
2. What are the Factors of 3641?
Answer: Factors of 3641 are 1, 11, 331, 3641. There are 4 integers that are factors of 3641. The greatest factor of 3641 is 3641.
3. 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.
4. How to Find the LCM of 3641 and 3645?
Answer:
Least Common Multiple of 3641 and 3645 = 13271445
Step 1: Find the prime factorization of 3641
3641 = 11 x 331
Step 2: Find the prime factorization of 3645
3645 = 3 x 3 x 3 x 3 x 3 x 3 x 5
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 13271445 = 3 x 3 x 3 x 3 x 3 x 3 x 5 x 11 x 331
Step 4: Therefore, the least common multiple of 3641 and 3645 is 13271445.