Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 9969 and 9975 the smallest integer that is 33146925 that is divisible by both numbers.
Least Common Multiple (LCM) of 9969 and 9975 is 33146925.
LCM(9969,9975) = 33146925
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 9969 and 9975. First we will calculate the prime factors of 9969 and 9975.
Prime Factorization of 9969
3 | 9969 |
3323 | 3323 |
1 |
Prime factors of 9969 are 3,3323. Prime factorization of 9969 in exponential form is:
9969 = 31×33231
Prime Factorization of 9975
3 | 9975 |
5 | 3325 |
5 | 665 |
7 | 133 |
19 | 19 |
1 |
Prime factors of 9975 are 3, 5, 7,19. Prime factorization of 9975 in exponential form is:
9975 = 31×52×71×191
Now multiplying the highest exponent prime factors to calculate the LCM of 9969 and 9975.
LCM(9969,9975) = 31×52×71×191×33231
LCM(9969,9975) = 33146925
Factors of 9969
List of positive integer factors of 9969 that divides 9969 without a remainder.
1, 3, 3323, 9969
Factors of 9975
List of positive integer factors of 9975 that divides 9975 without a remainder.
1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 3325, 9975
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9969 and 9975, than apply into the LCM equation.
GCF(9969,9975) = 3
LCM(9969,9975) = ( 9969 × 9975) / 3
LCM(9969,9975) = 99440775 / 3
LCM(9969,9975) = 33146925
(i) The LCM of 9975 and 9969 is associative
LCM of 9969 and 9975 = LCM of 9975 and 9969
1. What is the LCM of 9969 and 9975?
Answer: LCM of 9969 and 9975 is 33146925.
2. What are the Factors of 9969?
Answer: Factors of 9969 are 1, 3, 3323, 9969. There are 4 integers that are factors of 9969. The greatest factor of 9969 is 9969.
3. What are the Factors of 9975?
Answer: Factors of 9975 are 1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 3325, 9975. There are 24 integers that are factors of 9975. The greatest factor of 9975 is 9975.
4. How to Find the LCM of 9969 and 9975?
Answer:
Least Common Multiple of 9969 and 9975 = 33146925
Step 1: Find the prime factorization of 9969
9969 = 3 x 3323
Step 2: Find the prime factorization of 9975
9975 = 3 x 5 x 5 x 7 x 19
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 33146925 = 3 x 5 x 5 x 7 x 19 x 3323
Step 4: Therefore, the least common multiple of 9969 and 9975 is 33146925.