Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 974 and 982 the smallest integer that is 478234 that is divisible by both numbers.
Least Common Multiple (LCM) of 974 and 982 is 478234.
LCM(974,982) = 478234
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 974 and 982. First we will calculate the prime factors of 974 and 982.
Prime Factorization of 974
2 | 974 |
487 | 487 |
1 |
Prime factors of 974 are 2,487. Prime factorization of 974 in exponential form is:
974 = 21×4871
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
Now multiplying the highest exponent prime factors to calculate the LCM of 974 and 982.
LCM(974,982) = 21×4871×4911
LCM(974,982) = 478234
Factors of 974
List of positive integer factors of 974 that divides 974 without a remainder.
1, 2, 487, 974
Factors of 982
List of positive integer factors of 982 that divides 982 without a remainder.
1, 2, 491, 982
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 974 and 982, than apply into the LCM equation.
GCF(974,982) = 2
LCM(974,982) = ( 974 × 982) / 2
LCM(974,982) = 956468 / 2
LCM(974,982) = 478234
(i) The LCM of 982 and 974 is associative
LCM of 974 and 982 = LCM of 982 and 974
1. What is the LCM of 974 and 982?
Answer: LCM of 974 and 982 is 478234.
2. What are the Factors of 974?
Answer: Factors of 974 are 1, 2, 487, 974. There are 4 integers that are factors of 974. The greatest factor of 974 is 974.
3. 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.
4. How to Find the LCM of 974 and 982?
Answer:
Least Common Multiple of 974 and 982 = 478234
Step 1: Find the prime factorization of 974
974 = 2 x 487
Step 2: Find the prime factorization of 982
982 = 2 x 491
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 478234 = 2 x 487 x 491
Step 4: Therefore, the least common multiple of 974 and 982 is 478234.