Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3656 and 3661 the smallest integer that is 13384616 that is divisible by both numbers.
Least Common Multiple (LCM) of 3656 and 3661 is 13384616.
LCM(3656,3661) = 13384616
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 3656 and 3661. First we will calculate the prime factors of 3656 and 3661.
Prime Factorization of 3656
2 | 3656 |
2 | 1828 |
2 | 914 |
457 | 457 |
1 |
Prime factors of 3656 are 2,457. Prime factorization of 3656 in exponential form is:
3656 = 23×4571
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
Now multiplying the highest exponent prime factors to calculate the LCM of 3656 and 3661.
LCM(3656,3661) = 23×71×4571×5231
LCM(3656,3661) = 13384616
Factors of 3656
List of positive integer factors of 3656 that divides 3656 without a remainder.
1, 2, 4, 8, 457, 914, 1828, 3656
Factors of 3661
List of positive integer factors of 3661 that divides 3661 without a remainder.
1, 7, 523, 3661
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3656 and 3661, than apply into the LCM equation.
GCF(3656,3661) = 1
LCM(3656,3661) = ( 3656 × 3661) / 1
LCM(3656,3661) = 13384616 / 1
LCM(3656,3661) = 13384616
(i) The LCM of 3661 and 3656 is associative
LCM of 3656 and 3661 = LCM of 3661 and 3656
1. What is the LCM of 3656 and 3661?
Answer: LCM of 3656 and 3661 is 13384616.
2. What are the Factors of 3656?
Answer: Factors of 3656 are 1, 2, 4, 8, 457, 914, 1828, 3656. There are 8 integers that are factors of 3656. The greatest factor of 3656 is 3656.
3. 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.
4. How to Find the LCM of 3656 and 3661?
Answer:
Least Common Multiple of 3656 and 3661 = 13384616
Step 1: Find the prime factorization of 3656
3656 = 2 x 2 x 2 x 457
Step 2: Find the prime factorization of 3661
3661 = 7 x 523
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 13384616 = 2 x 2 x 2 x 7 x 457 x 523
Step 4: Therefore, the least common multiple of 3656 and 3661 is 13384616.