Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 990 and 996 the smallest integer that is 164340 that is divisible by both numbers.
Least Common Multiple (LCM) of 990 and 996 is 164340.
LCM(990,996) = 164340
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 990 and 996. First we will calculate the prime factors of 990 and 996.
Prime Factorization of 990
2 | 990 |
3 | 495 |
3 | 165 |
5 | 55 |
11 | 11 |
1 |
Prime factors of 990 are 2, 3, 5,11. Prime factorization of 990 in exponential form is:
990 = 21×32×51×111
Prime Factorization of 996
2 | 996 |
2 | 498 |
3 | 249 |
83 | 83 |
1 |
Prime factors of 996 are 2, 3,83. Prime factorization of 996 in exponential form is:
996 = 22×31×831
Now multiplying the highest exponent prime factors to calculate the LCM of 990 and 996.
LCM(990,996) = 22×32×51×111×831
LCM(990,996) = 164340
Factors of 990
List of positive integer factors of 990 that divides 990 without a remainder.
1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990
Factors of 996
List of positive integer factors of 996 that divides 996 without a remainder.
1, 2, 3, 4, 6, 12, 83, 166, 249, 332, 498, 996
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 990 and 996, than apply into the LCM equation.
GCF(990,996) = 6
LCM(990,996) = ( 990 × 996) / 6
LCM(990,996) = 986040 / 6
LCM(990,996) = 164340
(i) The LCM of 996 and 990 is associative
LCM of 990 and 996 = LCM of 996 and 990
1. What is the LCM of 990 and 996?
Answer: LCM of 990 and 996 is 164340.
2. What are the Factors of 990?
Answer: Factors of 990 are 1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990. There are 24 integers that are factors of 990. The greatest factor of 990 is 990.
3. What are the Factors of 996?
Answer: Factors of 996 are 1, 2, 3, 4, 6, 12, 83, 166, 249, 332, 498, 996. There are 12 integers that are factors of 996. The greatest factor of 996 is 996.
4. How to Find the LCM of 990 and 996?
Answer:
Least Common Multiple of 990 and 996 = 164340
Step 1: Find the prime factorization of 990
990 = 2 x 3 x 3 x 5 x 11
Step 2: Find the prime factorization of 996
996 = 2 x 2 x 3 x 83
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 164340 = 2 x 2 x 3 x 3 x 5 x 11 x 83
Step 4: Therefore, the least common multiple of 990 and 996 is 164340.