Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 9987 and 9992 the smallest integer that is 99790104 that is divisible by both numbers.
Least Common Multiple (LCM) of 9987 and 9992 is 99790104.
LCM(9987,9992) = 99790104
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 9987 and 9992. First we will calculate the prime factors of 9987 and 9992.
Prime Factorization of 9987
3 | 9987 |
3329 | 3329 |
1 |
Prime factors of 9987 are 3,3329. Prime factorization of 9987 in exponential form is:
9987 = 31×33291
Prime Factorization of 9992
2 | 9992 |
2 | 4996 |
2 | 2498 |
1249 | 1249 |
1 |
Prime factors of 9992 are 2,1249. Prime factorization of 9992 in exponential form is:
9992 = 23×12491
Now multiplying the highest exponent prime factors to calculate the LCM of 9987 and 9992.
LCM(9987,9992) = 23×31×12491×33291
LCM(9987,9992) = 99790104
Factors of 9987
List of positive integer factors of 9987 that divides 9987 without a remainder.
1, 3, 3329, 9987
Factors of 9992
List of positive integer factors of 9992 that divides 9992 without a remainder.
1, 2, 4, 8, 1249, 2498, 4996, 9992
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9987 and 9992, than apply into the LCM equation.
GCF(9987,9992) = 1
LCM(9987,9992) = ( 9987 × 9992) / 1
LCM(9987,9992) = 99790104 / 1
LCM(9987,9992) = 99790104
(i) The LCM of 9992 and 9987 is associative
LCM of 9987 and 9992 = LCM of 9992 and 9987
1. What is the LCM of 9987 and 9992?
Answer: LCM of 9987 and 9992 is 99790104.
2. What are the Factors of 9987?
Answer: Factors of 9987 are 1, 3, 3329, 9987. There are 4 integers that are factors of 9987. The greatest factor of 9987 is 9987.
3. What are the Factors of 9992?
Answer: Factors of 9992 are 1, 2, 4, 8, 1249, 2498, 4996, 9992. There are 8 integers that are factors of 9992. The greatest factor of 9992 is 9992.
4. How to Find the LCM of 9987 and 9992?
Answer:
Least Common Multiple of 9987 and 9992 = 99790104
Step 1: Find the prime factorization of 9987
9987 = 3 x 3329
Step 2: Find the prime factorization of 9992
9992 = 2 x 2 x 2 x 1249
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 99790104 = 2 x 2 x 2 x 3 x 1249 x 3329
Step 4: Therefore, the least common multiple of 9987 and 9992 is 99790104.