Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6821 and 6828 the smallest integer that is 46573788 that is divisible by both numbers.
Least Common Multiple (LCM) of 6821 and 6828 is 46573788.
LCM(6821,6828) = 46573788
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 6821 and 6828. First we will calculate the prime factors of 6821 and 6828.
Prime Factorization of 6821
19 | 6821 |
359 | 359 |
1 |
Prime factors of 6821 are 19,359. Prime factorization of 6821 in exponential form is:
6821 = 191×3591
Prime Factorization of 6828
2 | 6828 |
2 | 3414 |
3 | 1707 |
569 | 569 |
1 |
Prime factors of 6828 are 2, 3,569. Prime factorization of 6828 in exponential form is:
6828 = 22×31×5691
Now multiplying the highest exponent prime factors to calculate the LCM of 6821 and 6828.
LCM(6821,6828) = 22×31×191×3591×5691
LCM(6821,6828) = 46573788
Factors of 6821
List of positive integer factors of 6821 that divides 6821 without a remainder.
1, 19, 359, 6821
Factors of 6828
List of positive integer factors of 6828 that divides 6828 without a remainder.
1, 2, 3, 4, 6, 12, 569, 1138, 1707, 2276, 3414, 6828
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6821 and 6828, than apply into the LCM equation.
GCF(6821,6828) = 1
LCM(6821,6828) = ( 6821 × 6828) / 1
LCM(6821,6828) = 46573788 / 1
LCM(6821,6828) = 46573788
(i) The LCM of 6828 and 6821 is associative
LCM of 6821 and 6828 = LCM of 6828 and 6821
1. What is the LCM of 6821 and 6828?
Answer: LCM of 6821 and 6828 is 46573788.
2. What are the Factors of 6821?
Answer: Factors of 6821 are 1, 19, 359, 6821. There are 4 integers that are factors of 6821. The greatest factor of 6821 is 6821.
3. What are the Factors of 6828?
Answer: Factors of 6828 are 1, 2, 3, 4, 6, 12, 569, 1138, 1707, 2276, 3414, 6828. There are 12 integers that are factors of 6828. The greatest factor of 6828 is 6828.
4. How to Find the LCM of 6821 and 6828?
Answer:
Least Common Multiple of 6821 and 6828 = 46573788
Step 1: Find the prime factorization of 6821
6821 = 19 x 359
Step 2: Find the prime factorization of 6828
6828 = 2 x 2 x 3 x 569
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 46573788 = 2 x 2 x 3 x 19 x 359 x 569
Step 4: Therefore, the least common multiple of 6821 and 6828 is 46573788.