Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6642 and 6646 the smallest integer that is 22071366 that is divisible by both numbers.
Least Common Multiple (LCM) of 6642 and 6646 is 22071366.
LCM(6642,6646) = 22071366
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 6642 and 6646. First we will calculate the prime factors of 6642 and 6646.
Prime Factorization of 6642
2 | 6642 |
3 | 3321 |
3 | 1107 |
3 | 369 |
3 | 123 |
41 | 41 |
1 |
Prime factors of 6642 are 2, 3,41. Prime factorization of 6642 in exponential form is:
6642 = 21×34×411
Prime Factorization of 6646
2 | 6646 |
3323 | 3323 |
1 |
Prime factors of 6646 are 2,3323. Prime factorization of 6646 in exponential form is:
6646 = 21×33231
Now multiplying the highest exponent prime factors to calculate the LCM of 6642 and 6646.
LCM(6642,6646) = 21×34×411×33231
LCM(6642,6646) = 22071366
Factors of 6642
List of positive integer factors of 6642 that divides 6642 without a remainder.
1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 246, 369, 738, 1107, 2214, 3321, 6642
Factors of 6646
List of positive integer factors of 6646 that divides 6646 without a remainder.
1, 2, 3323, 6646
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6642 and 6646, than apply into the LCM equation.
GCF(6642,6646) = 2
LCM(6642,6646) = ( 6642 × 6646) / 2
LCM(6642,6646) = 44142732 / 2
LCM(6642,6646) = 22071366
(i) The LCM of 6646 and 6642 is associative
LCM of 6642 and 6646 = LCM of 6646 and 6642
1. What is the LCM of 6642 and 6646?
Answer: LCM of 6642 and 6646 is 22071366.
2. What are the Factors of 6642?
Answer: Factors of 6642 are 1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 246, 369, 738, 1107, 2214, 3321, 6642. There are 20 integers that are factors of 6642. The greatest factor of 6642 is 6642.
3. What are the Factors of 6646?
Answer: Factors of 6646 are 1, 2, 3323, 6646. There are 4 integers that are factors of 6646. The greatest factor of 6646 is 6646.
4. How to Find the LCM of 6642 and 6646?
Answer:
Least Common Multiple of 6642 and 6646 = 22071366
Step 1: Find the prime factorization of 6642
6642 = 2 x 3 x 3 x 3 x 3 x 41
Step 2: Find the prime factorization of 6646
6646 = 2 x 3323
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 22071366 = 2 x 3 x 3 x 3 x 3 x 41 x 3323
Step 4: Therefore, the least common multiple of 6642 and 6646 is 22071366.