Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 982 and 989 the smallest integer that is 971198 that is divisible by both numbers.
Least Common Multiple (LCM) of 982 and 989 is 971198.
LCM(982,989) = 971198
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 982 and 989. First we will calculate the prime factors of 982 and 989.
Prime Factorization of 982
2 | 982 |
491 | 491 |
1 |
Prime factors of 982 are 2,491. Prime factorization of 982 in exponential form is:
982 = 21×4911
Prime Factorization of 989
23 | 989 |
43 | 43 |
1 |
Prime factors of 989 are 23,43. Prime factorization of 989 in exponential form is:
989 = 231×431
Now multiplying the highest exponent prime factors to calculate the LCM of 982 and 989.
LCM(982,989) = 21×231×431×4911
LCM(982,989) = 971198
Factors of 982
List of positive integer factors of 982 that divides 982 without a remainder.
1, 2, 491, 982
Factors of 989
List of positive integer factors of 989 that divides 989 without a remainder.
1, 23, 43, 989
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 982 and 989, than apply into the LCM equation.
GCF(982,989) = 1
LCM(982,989) = ( 982 × 989) / 1
LCM(982,989) = 971198 / 1
LCM(982,989) = 971198
(i) The LCM of 989 and 982 is associative
LCM of 982 and 989 = LCM of 989 and 982
1. What is the LCM of 982 and 989?
Answer: LCM of 982 and 989 is 971198.
2. What are the Factors of 982?
Answer: Factors of 982 are 1, 2, 491, 982. There are 4 integers that are factors of 982. The greatest factor of 982 is 982.
3. What are the Factors of 989?
Answer: Factors of 989 are 1, 23, 43, 989. There are 4 integers that are factors of 989. The greatest factor of 989 is 989.
4. How to Find the LCM of 982 and 989?
Answer:
Least Common Multiple of 982 and 989 = 971198
Step 1: Find the prime factorization of 982
982 = 2 x 491
Step 2: Find the prime factorization of 989
989 = 23 x 43
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 971198 = 2 x 23 x 43 x 491
Step 4: Therefore, the least common multiple of 982 and 989 is 971198.