Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 975 and 979 the smallest integer that is 954525 that is divisible by both numbers.
Least Common Multiple (LCM) of 975 and 979 is 954525.
LCM(975,979) = 954525
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 975 and 979. First we will calculate the prime factors of 975 and 979.
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
Prime Factorization of 979
11 | 979 |
89 | 89 |
1 |
Prime factors of 979 are 11,89. Prime factorization of 979 in exponential form is:
979 = 111×891
Now multiplying the highest exponent prime factors to calculate the LCM of 975 and 979.
LCM(975,979) = 31×52×111×131×891
LCM(975,979) = 954525
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
Factors of 979
List of positive integer factors of 979 that divides 979 without a remainder.
1, 11, 89, 979
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 975 and 979, than apply into the LCM equation.
GCF(975,979) = 1
LCM(975,979) = ( 975 × 979) / 1
LCM(975,979) = 954525 / 1
LCM(975,979) = 954525
(i) The LCM of 979 and 975 is associative
LCM of 975 and 979 = LCM of 979 and 975
1. What is the LCM of 975 and 979?
Answer: LCM of 975 and 979 is 954525.
2. 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.
3. What are the Factors of 979?
Answer: Factors of 979 are 1, 11, 89, 979. There are 4 integers that are factors of 979. The greatest factor of 979 is 979.
4. How to Find the LCM of 975 and 979?
Answer:
Least Common Multiple of 975 and 979 = 954525
Step 1: Find the prime factorization of 975
975 = 3 x 5 x 5 x 13
Step 2: Find the prime factorization of 979
979 = 11 x 89
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 954525 = 3 x 5 x 5 x 11 x 13 x 89
Step 4: Therefore, the least common multiple of 975 and 979 is 954525.