Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6728 and 6731 the smallest integer that is 45286168 that is divisible by both numbers.
Least Common Multiple (LCM) of 6728 and 6731 is 45286168.
LCM(6728,6731) = 45286168
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 6728 and 6731. First we will calculate the prime factors of 6728 and 6731.
Prime Factorization of 6728
2 | 6728 |
2 | 3364 |
2 | 1682 |
29 | 841 |
29 | 29 |
1 |
Prime factors of 6728 are 2,29. Prime factorization of 6728 in exponential form is:
6728 = 23×292
Prime Factorization of 6731
53 | 6731 |
127 | 127 |
1 |
Prime factors of 6731 are 53,127. Prime factorization of 6731 in exponential form is:
6731 = 531×1271
Now multiplying the highest exponent prime factors to calculate the LCM of 6728 and 6731.
LCM(6728,6731) = 23×292×531×1271
LCM(6728,6731) = 45286168
Factors of 6728
List of positive integer factors of 6728 that divides 6728 without a remainder.
1, 2, 4, 8, 29, 58, 116, 232, 841, 1682, 3364, 6728
Factors of 6731
List of positive integer factors of 6731 that divides 6731 without a remainder.
1, 53, 127, 6731
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6728 and 6731, than apply into the LCM equation.
GCF(6728,6731) = 1
LCM(6728,6731) = ( 6728 × 6731) / 1
LCM(6728,6731) = 45286168 / 1
LCM(6728,6731) = 45286168
(i) The LCM of 6731 and 6728 is associative
LCM of 6728 and 6731 = LCM of 6731 and 6728
1. What is the LCM of 6728 and 6731?
Answer: LCM of 6728 and 6731 is 45286168.
2. What are the Factors of 6728?
Answer: Factors of 6728 are 1, 2, 4, 8, 29, 58, 116, 232, 841, 1682, 3364, 6728. There are 12 integers that are factors of 6728. The greatest factor of 6728 is 6728.
3. What are the Factors of 6731?
Answer: Factors of 6731 are 1, 53, 127, 6731. There are 4 integers that are factors of 6731. The greatest factor of 6731 is 6731.
4. How to Find the LCM of 6728 and 6731?
Answer:
Least Common Multiple of 6728 and 6731 = 45286168
Step 1: Find the prime factorization of 6728
6728 = 2 x 2 x 2 x 29 x 29
Step 2: Find the prime factorization of 6731
6731 = 53 x 127
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 45286168 = 2 x 2 x 2 x 29 x 29 x 53 x 127
Step 4: Therefore, the least common multiple of 6728 and 6731 is 45286168.