Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3661 and 3669 the smallest integer that is 13432209 that is divisible by both numbers.
Least Common Multiple (LCM) of 3661 and 3669 is 13432209.
LCM(3661,3669) = 13432209
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 3661 and 3669. First we will calculate the prime factors of 3661 and 3669.
Prime Factorization of 3661
7 | 3661 |
523 | 523 |
1 |
Prime factors of 3661 are 7,523. Prime factorization of 3661 in exponential form is:
3661 = 71×5231
Prime Factorization of 3669
3 | 3669 |
1223 | 1223 |
1 |
Prime factors of 3669 are 3,1223. Prime factorization of 3669 in exponential form is:
3669 = 31×12231
Now multiplying the highest exponent prime factors to calculate the LCM of 3661 and 3669.
LCM(3661,3669) = 31×71×5231×12231
LCM(3661,3669) = 13432209
Factors of 3661
List of positive integer factors of 3661 that divides 3661 without a remainder.
1, 7, 523, 3661
Factors of 3669
List of positive integer factors of 3669 that divides 3669 without a remainder.
1, 3, 1223, 3669
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3661 and 3669, than apply into the LCM equation.
GCF(3661,3669) = 1
LCM(3661,3669) = ( 3661 × 3669) / 1
LCM(3661,3669) = 13432209 / 1
LCM(3661,3669) = 13432209
(i) The LCM of 3669 and 3661 is associative
LCM of 3661 and 3669 = LCM of 3669 and 3661
1. What is the LCM of 3661 and 3669?
Answer: LCM of 3661 and 3669 is 13432209.
2. What are the Factors of 3661?
Answer: Factors of 3661 are 1, 7, 523, 3661. There are 4 integers that are factors of 3661. The greatest factor of 3661 is 3661.
3. What are the Factors of 3669?
Answer: Factors of 3669 are 1, 3, 1223, 3669. There are 4 integers that are factors of 3669. The greatest factor of 3669 is 3669.
4. How to Find the LCM of 3661 and 3669?
Answer:
Least Common Multiple of 3661 and 3669 = 13432209
Step 1: Find the prime factorization of 3661
3661 = 7 x 523
Step 2: Find the prime factorization of 3669
3669 = 3 x 1223
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 13432209 = 3 x 7 x 523 x 1223
Step 4: Therefore, the least common multiple of 3661 and 3669 is 13432209.