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 975 the smallest integer that is 949650 that is divisible by both numbers.
Least Common Multiple (LCM) of 974 and 975 is 949650.
LCM(974,975) = 949650
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 975. First we will calculate the prime factors of 974 and 975.
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 975
3 | 975 |
5 | 325 |
5 | 65 |
13 | 13 |
1 |
Prime factors of 975 are 3, 5,13. Prime factorization of 975 in exponential form is:
975 = 31×52×131
Now multiplying the highest exponent prime factors to calculate the LCM of 974 and 975.
LCM(974,975) = 21×31×52×131×4871
LCM(974,975) = 949650
Factors of 974
List of positive integer factors of 974 that divides 974 without a remainder.
1, 2, 487, 974
Factors of 975
List of positive integer factors of 975 that divides 975 without a remainder.
1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 974 and 975, than apply into the LCM equation.
GCF(974,975) = 1
LCM(974,975) = ( 974 × 975) / 1
LCM(974,975) = 949650 / 1
LCM(974,975) = 949650
(i) The LCM of 975 and 974 is associative
LCM of 974 and 975 = LCM of 975 and 974
1. What is the LCM of 974 and 975?
Answer: LCM of 974 and 975 is 949650.
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 975?
Answer: Factors of 975 are 1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975. There are 12 integers that are factors of 975. The greatest factor of 975 is 975.
4. How to Find the LCM of 974 and 975?
Answer:
Least Common Multiple of 974 and 975 = 949650
Step 1: Find the prime factorization of 974
974 = 2 x 487
Step 2: Find the prime factorization of 975
975 = 3 x 5 x 5 x 13
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 949650 = 2 x 3 x 5 x 5 x 13 x 487
Step 4: Therefore, the least common multiple of 974 and 975 is 949650.