Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8978 and 8982 the smallest integer that is 40320198 that is divisible by both numbers.
Least Common Multiple (LCM) of 8978 and 8982 is 40320198.
LCM(8978,8982) = 40320198
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 8978 and 8982. First we will calculate the prime factors of 8978 and 8982.
Prime Factorization of 8978
2 | 8978 |
67 | 4489 |
67 | 67 |
1 |
Prime factors of 8978 are 2,67. Prime factorization of 8978 in exponential form is:
8978 = 21×672
Prime Factorization of 8982
2 | 8982 |
3 | 4491 |
3 | 1497 |
499 | 499 |
1 |
Prime factors of 8982 are 2, 3,499. Prime factorization of 8982 in exponential form is:
8982 = 21×32×4991
Now multiplying the highest exponent prime factors to calculate the LCM of 8978 and 8982.
LCM(8978,8982) = 21×32×672×4991
LCM(8978,8982) = 40320198
Factors of 8978
List of positive integer factors of 8978 that divides 8978 without a remainder.
1, 2, 67, 134, 4489, 8978
Factors of 8982
List of positive integer factors of 8982 that divides 8982 without a remainder.
1, 2, 3, 6, 9, 18, 499, 998, 1497, 2994, 4491, 8982
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8978 and 8982, than apply into the LCM equation.
GCF(8978,8982) = 2
LCM(8978,8982) = ( 8978 × 8982) / 2
LCM(8978,8982) = 80640396 / 2
LCM(8978,8982) = 40320198
(i) The LCM of 8982 and 8978 is associative
LCM of 8978 and 8982 = LCM of 8982 and 8978
1. What is the LCM of 8978 and 8982?
Answer: LCM of 8978 and 8982 is 40320198.
2. What are the Factors of 8978?
Answer: Factors of 8978 are 1, 2, 67, 134, 4489, 8978. There are 6 integers that are factors of 8978. The greatest factor of 8978 is 8978.
3. What are the Factors of 8982?
Answer: Factors of 8982 are 1, 2, 3, 6, 9, 18, 499, 998, 1497, 2994, 4491, 8982. There are 12 integers that are factors of 8982. The greatest factor of 8982 is 8982.
4. How to Find the LCM of 8978 and 8982?
Answer:
Least Common Multiple of 8978 and 8982 = 40320198
Step 1: Find the prime factorization of 8978
8978 = 2 x 67 x 67
Step 2: Find the prime factorization of 8982
8982 = 2 x 3 x 3 x 499
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 40320198 = 2 x 3 x 3 x 67 x 67 x 499
Step 4: Therefore, the least common multiple of 8978 and 8982 is 40320198.