Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6643 and 6648 the smallest integer that is 44162664 that is divisible by both numbers.
Least Common Multiple (LCM) of 6643 and 6648 is 44162664.
LCM(6643,6648) = 44162664
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 6643 and 6648. First we will calculate the prime factors of 6643 and 6648.
Prime Factorization of 6643
7 | 6643 |
13 | 949 |
73 | 73 |
1 |
Prime factors of 6643 are 7, 13,73. Prime factorization of 6643 in exponential form is:
6643 = 71×131×731
Prime Factorization of 6648
2 | 6648 |
2 | 3324 |
2 | 1662 |
3 | 831 |
277 | 277 |
1 |
Prime factors of 6648 are 2, 3,277. Prime factorization of 6648 in exponential form is:
6648 = 23×31×2771
Now multiplying the highest exponent prime factors to calculate the LCM of 6643 and 6648.
LCM(6643,6648) = 23×31×71×131×731×2771
LCM(6643,6648) = 44162664
Factors of 6643
List of positive integer factors of 6643 that divides 6643 without a remainder.
1, 7, 13, 73, 91, 511, 949, 6643
Factors of 6648
List of positive integer factors of 6648 that divides 6648 without a remainder.
1, 2, 3, 4, 6, 8, 12, 24, 277, 554, 831, 1108, 1662, 2216, 3324, 6648
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6643 and 6648, than apply into the LCM equation.
GCF(6643,6648) = 1
LCM(6643,6648) = ( 6643 × 6648) / 1
LCM(6643,6648) = 44162664 / 1
LCM(6643,6648) = 44162664
(i) The LCM of 6648 and 6643 is associative
LCM of 6643 and 6648 = LCM of 6648 and 6643
1. What is the LCM of 6643 and 6648?
Answer: LCM of 6643 and 6648 is 44162664.
2. What are the Factors of 6643?
Answer: Factors of 6643 are 1, 7, 13, 73, 91, 511, 949, 6643. There are 8 integers that are factors of 6643. The greatest factor of 6643 is 6643.
3. What are the Factors of 6648?
Answer: Factors of 6648 are 1, 2, 3, 4, 6, 8, 12, 24, 277, 554, 831, 1108, 1662, 2216, 3324, 6648. There are 16 integers that are factors of 6648. The greatest factor of 6648 is 6648.
4. How to Find the LCM of 6643 and 6648?
Answer:
Least Common Multiple of 6643 and 6648 = 44162664
Step 1: Find the prime factorization of 6643
6643 = 7 x 13 x 73
Step 2: Find the prime factorization of 6648
6648 = 2 x 2 x 2 x 3 x 277
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 44162664 = 2 x 2 x 2 x 3 x 7 x 13 x 73 x 277
Step 4: Therefore, the least common multiple of 6643 and 6648 is 44162664.