Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2987 and 2992 the smallest integer that is 8937104 that is divisible by both numbers.
Least Common Multiple (LCM) of 2987 and 2992 is 8937104.
LCM(2987,2992) = 8937104
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 2987 and 2992. First we will calculate the prime factors of 2987 and 2992.
Prime Factorization of 2987
29 | 2987 |
103 | 103 |
1 |
Prime factors of 2987 are 29,103. Prime factorization of 2987 in exponential form is:
2987 = 291×1031
Prime Factorization of 2992
2 | 2992 |
2 | 1496 |
2 | 748 |
2 | 374 |
11 | 187 |
17 | 17 |
1 |
Prime factors of 2992 are 2, 11,17. Prime factorization of 2992 in exponential form is:
2992 = 24×111×171
Now multiplying the highest exponent prime factors to calculate the LCM of 2987 and 2992.
LCM(2987,2992) = 24×111×171×291×1031
LCM(2987,2992) = 8937104
Factors of 2987
List of positive integer factors of 2987 that divides 2987 without a remainder.
1, 29, 103, 2987
Factors of 2992
List of positive integer factors of 2992 that divides 2992 without a remainder.
1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2987 and 2992, than apply into the LCM equation.
GCF(2987,2992) = 1
LCM(2987,2992) = ( 2987 × 2992) / 1
LCM(2987,2992) = 8937104 / 1
LCM(2987,2992) = 8937104
(i) The LCM of 2992 and 2987 is associative
LCM of 2987 and 2992 = LCM of 2992 and 2987
1. What is the LCM of 2987 and 2992?
Answer: LCM of 2987 and 2992 is 8937104.
2. What are the Factors of 2987?
Answer: Factors of 2987 are 1, 29, 103, 2987. There are 4 integers that are factors of 2987. The greatest factor of 2987 is 2987.
3. What are the Factors of 2992?
Answer: Factors of 2992 are 1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992. There are 20 integers that are factors of 2992. The greatest factor of 2992 is 2992.
4. How to Find the LCM of 2987 and 2992?
Answer:
Least Common Multiple of 2987 and 2992 = 8937104
Step 1: Find the prime factorization of 2987
2987 = 29 x 103
Step 2: Find the prime factorization of 2992
2992 = 2 x 2 x 2 x 2 x 11 x 17
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 8937104 = 2 x 2 x 2 x 2 x 11 x 17 x 29 x 103
Step 4: Therefore, the least common multiple of 2987 and 2992 is 8937104.