Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3651 and 3655 the smallest integer that is 13344405 that is divisible by both numbers.
Least Common Multiple (LCM) of 3651 and 3655 is 13344405.
LCM(3651,3655) = 13344405
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 3651 and 3655. First we will calculate the prime factors of 3651 and 3655.
Prime Factorization of 3651
3 | 3651 |
1217 | 1217 |
1 |
Prime factors of 3651 are 3,1217. Prime factorization of 3651 in exponential form is:
3651 = 31×12171
Prime Factorization of 3655
5 | 3655 |
17 | 731 |
43 | 43 |
1 |
Prime factors of 3655 are 5, 17,43. Prime factorization of 3655 in exponential form is:
3655 = 51×171×431
Now multiplying the highest exponent prime factors to calculate the LCM of 3651 and 3655.
LCM(3651,3655) = 31×51×171×431×12171
LCM(3651,3655) = 13344405
Factors of 3651
List of positive integer factors of 3651 that divides 3651 without a remainder.
1, 3, 1217, 3651
Factors of 3655
List of positive integer factors of 3655 that divides 3655 without a remainder.
1, 5, 17, 43, 85, 215, 731, 3655
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3651 and 3655, than apply into the LCM equation.
GCF(3651,3655) = 1
LCM(3651,3655) = ( 3651 × 3655) / 1
LCM(3651,3655) = 13344405 / 1
LCM(3651,3655) = 13344405
(i) The LCM of 3655 and 3651 is associative
LCM of 3651 and 3655 = LCM of 3655 and 3651
1. What is the LCM of 3651 and 3655?
Answer: LCM of 3651 and 3655 is 13344405.
2. What are the Factors of 3651?
Answer: Factors of 3651 are 1, 3, 1217, 3651. There are 4 integers that are factors of 3651. The greatest factor of 3651 is 3651.
3. What are the Factors of 3655?
Answer: Factors of 3655 are 1, 5, 17, 43, 85, 215, 731, 3655. There are 8 integers that are factors of 3655. The greatest factor of 3655 is 3655.
4. How to Find the LCM of 3651 and 3655?
Answer:
Least Common Multiple of 3651 and 3655 = 13344405
Step 1: Find the prime factorization of 3651
3651 = 3 x 1217
Step 2: Find the prime factorization of 3655
3655 = 5 x 17 x 43
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 13344405 = 3 x 5 x 17 x 43 x 1217
Step 4: Therefore, the least common multiple of 3651 and 3655 is 13344405.