Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 9966 and 9972 the smallest integer that is 16563492 that is divisible by both numbers.
Least Common Multiple (LCM) of 9966 and 9972 is 16563492.
LCM(9966,9972) = 16563492
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 9966 and 9972. First we will calculate the prime factors of 9966 and 9972.
Prime Factorization of 9966
2 | 9966 |
3 | 4983 |
11 | 1661 |
151 | 151 |
1 |
Prime factors of 9966 are 2, 3, 11,151. Prime factorization of 9966 in exponential form is:
9966 = 21×31×111×1511
Prime Factorization of 9972
2 | 9972 |
2 | 4986 |
3 | 2493 |
3 | 831 |
277 | 277 |
1 |
Prime factors of 9972 are 2, 3,277. Prime factorization of 9972 in exponential form is:
9972 = 22×32×2771
Now multiplying the highest exponent prime factors to calculate the LCM of 9966 and 9972.
LCM(9966,9972) = 22×32×111×1511×2771
LCM(9966,9972) = 16563492
Factors of 9966
List of positive integer factors of 9966 that divides 9966 without a remainder.
1, 2, 3, 6, 11, 22, 33, 66, 151, 302, 453, 906, 1661, 3322, 4983, 9966
Factors of 9972
List of positive integer factors of 9972 that divides 9972 without a remainder.
1, 2, 3, 4, 6, 9, 12, 18, 36, 277, 554, 831, 1108, 1662, 2493, 3324, 4986, 9972
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9966 and 9972, than apply into the LCM equation.
GCF(9966,9972) = 6
LCM(9966,9972) = ( 9966 × 9972) / 6
LCM(9966,9972) = 99380952 / 6
LCM(9966,9972) = 16563492
(i) The LCM of 9972 and 9966 is associative
LCM of 9966 and 9972 = LCM of 9972 and 9966
1. What is the LCM of 9966 and 9972?
Answer: LCM of 9966 and 9972 is 16563492.
2. What are the Factors of 9966?
Answer: Factors of 9966 are 1, 2, 3, 6, 11, 22, 33, 66, 151, 302, 453, 906, 1661, 3322, 4983, 9966. There are 16 integers that are factors of 9966. The greatest factor of 9966 is 9966.
3. What are the Factors of 9972?
Answer: Factors of 9972 are 1, 2, 3, 4, 6, 9, 12, 18, 36, 277, 554, 831, 1108, 1662, 2493, 3324, 4986, 9972. There are 18 integers that are factors of 9972. The greatest factor of 9972 is 9972.
4. How to Find the LCM of 9966 and 9972?
Answer:
Least Common Multiple of 9966 and 9972 = 16563492
Step 1: Find the prime factorization of 9966
9966 = 2 x 3 x 11 x 151
Step 2: Find the prime factorization of 9972
9972 = 2 x 2 x 3 x 3 x 277
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 16563492 = 2 x 2 x 3 x 3 x 11 x 151 x 277
Step 4: Therefore, the least common multiple of 9966 and 9972 is 16563492.