Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 992 and 1000 the smallest integer that is 124000 that is divisible by both numbers.
Least Common Multiple (LCM) of 992 and 1000 is 124000.
LCM(992,1000) = 124000
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 992 and 1000. First we will calculate the prime factors of 992 and 1000.
Prime Factorization of 992
2 | 992 |
2 | 496 |
2 | 248 |
2 | 124 |
2 | 62 |
31 | 31 |
1 |
Prime factors of 992 are 2,31. Prime factorization of 992 in exponential form is:
992 = 25×311
Prime Factorization of 1000
2 | 1000 |
2 | 500 |
2 | 250 |
5 | 125 |
5 | 25 |
5 | 5 |
1 |
Prime factors of 1000 are 2,5. Prime factorization of 1000 in exponential form is:
1000 = 23×53
Now multiplying the highest exponent prime factors to calculate the LCM of 992 and 1000.
LCM(992,1000) = 25×53×311
LCM(992,1000) = 124000
Factors of 992
List of positive integer factors of 992 that divides 992 without a remainder.
1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992
Factors of 1000
List of positive integer factors of 1000 that divides 1000 without a remainder.
1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 992 and 1000, than apply into the LCM equation.
GCF(992,1000) = 8
LCM(992,1000) = ( 992 × 1000) / 8
LCM(992,1000) = 992000 / 8
LCM(992,1000) = 124000
(i) The LCM of 1000 and 992 is associative
LCM of 992 and 1000 = LCM of 1000 and 992
1. What is the LCM of 992 and 1000?
Answer: LCM of 992 and 1000 is 124000.
2. What are the Factors of 992?
Answer: Factors of 992 are 1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992. There are 12 integers that are factors of 992. The greatest factor of 992 is 992.
3. What are the Factors of 1000?
Answer: Factors of 1000 are 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000. There are 16 integers that are factors of 1000. The greatest factor of 1000 is 1000.
4. How to Find the LCM of 992 and 1000?
Answer:
Least Common Multiple of 992 and 1000 = 124000
Step 1: Find the prime factorization of 992
992 = 2 x 2 x 2 x 2 x 2 x 31
Step 2: Find the prime factorization of 1000
1000 = 2 x 2 x 2 x 5 x 5 x 5
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 124000 = 2 x 2 x 2 x 2 x 2 x 5 x 5 x 5 x 31
Step 4: Therefore, the least common multiple of 992 and 1000 is 124000.