Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6984 and 6989 the smallest integer that is 48811176 that is divisible by both numbers.
Least Common Multiple (LCM) of 6984 and 6989 is 48811176.
LCM(6984,6989) = 48811176
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 6984 and 6989. First we will calculate the prime factors of 6984 and 6989.
Prime Factorization of 6984
2 | 6984 |
2 | 3492 |
2 | 1746 |
3 | 873 |
3 | 291 |
97 | 97 |
1 |
Prime factors of 6984 are 2, 3,97. Prime factorization of 6984 in exponential form is:
6984 = 23×32×971
Prime Factorization of 6989
29 | 6989 |
241 | 241 |
1 |
Prime factors of 6989 are 29,241. Prime factorization of 6989 in exponential form is:
6989 = 291×2411
Now multiplying the highest exponent prime factors to calculate the LCM of 6984 and 6989.
LCM(6984,6989) = 23×32×291×971×2411
LCM(6984,6989) = 48811176
Factors of 6984
List of positive integer factors of 6984 that divides 6984 without a remainder.
1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 97, 194, 291, 388, 582, 776, 873, 1164, 1746, 2328, 3492, 6984
Factors of 6989
List of positive integer factors of 6989 that divides 6989 without a remainder.
1, 29, 241, 6989
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6984 and 6989, than apply into the LCM equation.
GCF(6984,6989) = 1
LCM(6984,6989) = ( 6984 × 6989) / 1
LCM(6984,6989) = 48811176 / 1
LCM(6984,6989) = 48811176
(i) The LCM of 6989 and 6984 is associative
LCM of 6984 and 6989 = LCM of 6989 and 6984
1. What is the LCM of 6984 and 6989?
Answer: LCM of 6984 and 6989 is 48811176.
2. What are the Factors of 6984?
Answer: Factors of 6984 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 97, 194, 291, 388, 582, 776, 873, 1164, 1746, 2328, 3492, 6984. There are 24 integers that are factors of 6984. The greatest factor of 6984 is 6984.
3. What are the Factors of 6989?
Answer: Factors of 6989 are 1, 29, 241, 6989. There are 4 integers that are factors of 6989. The greatest factor of 6989 is 6989.
4. How to Find the LCM of 6984 and 6989?
Answer:
Least Common Multiple of 6984 and 6989 = 48811176
Step 1: Find the prime factorization of 6984
6984 = 2 x 2 x 2 x 3 x 3 x 97
Step 2: Find the prime factorization of 6989
6989 = 29 x 241
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 48811176 = 2 x 2 x 2 x 3 x 3 x 29 x 97 x 241
Step 4: Therefore, the least common multiple of 6984 and 6989 is 48811176.