Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6920 and 6924 the smallest integer that is 11978520 that is divisible by both numbers.
Least Common Multiple (LCM) of 6920 and 6924 is 11978520.
LCM(6920,6924) = 11978520
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 6920 and 6924. First we will calculate the prime factors of 6920 and 6924.
Prime Factorization of 6920
2 | 6920 |
2 | 3460 |
2 | 1730 |
5 | 865 |
173 | 173 |
1 |
Prime factors of 6920 are 2, 5,173. Prime factorization of 6920 in exponential form is:
6920 = 23×51×1731
Prime Factorization of 6924
2 | 6924 |
2 | 3462 |
3 | 1731 |
577 | 577 |
1 |
Prime factors of 6924 are 2, 3,577. Prime factorization of 6924 in exponential form is:
6924 = 22×31×5771
Now multiplying the highest exponent prime factors to calculate the LCM of 6920 and 6924.
LCM(6920,6924) = 23×31×51×1731×5771
LCM(6920,6924) = 11978520
Factors of 6920
List of positive integer factors of 6920 that divides 6920 without a remainder.
1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920
Factors of 6924
List of positive integer factors of 6924 that divides 6924 without a remainder.
1, 2, 3, 4, 6, 12, 577, 1154, 1731, 2308, 3462, 6924
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6920 and 6924, than apply into the LCM equation.
GCF(6920,6924) = 4
LCM(6920,6924) = ( 6920 × 6924) / 4
LCM(6920,6924) = 47914080 / 4
LCM(6920,6924) = 11978520
(i) The LCM of 6924 and 6920 is associative
LCM of 6920 and 6924 = LCM of 6924 and 6920
1. What is the LCM of 6920 and 6924?
Answer: LCM of 6920 and 6924 is 11978520.
2. What are the Factors of 6920?
Answer: Factors of 6920 are 1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920. There are 16 integers that are factors of 6920. The greatest factor of 6920 is 6920.
3. What are the Factors of 6924?
Answer: Factors of 6924 are 1, 2, 3, 4, 6, 12, 577, 1154, 1731, 2308, 3462, 6924. There are 12 integers that are factors of 6924. The greatest factor of 6924 is 6924.
4. How to Find the LCM of 6920 and 6924?
Answer:
Least Common Multiple of 6920 and 6924 = 11978520
Step 1: Find the prime factorization of 6920
6920 = 2 x 2 x 2 x 5 x 173
Step 2: Find the prime factorization of 6924
6924 = 2 x 2 x 3 x 577
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 11978520 = 2 x 2 x 2 x 3 x 5 x 173 x 577
Step 4: Therefore, the least common multiple of 6920 and 6924 is 11978520.