Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3992 and 3999 the smallest integer that is 15964008 that is divisible by both numbers.
Least Common Multiple (LCM) of 3992 and 3999 is 15964008.
LCM(3992,3999) = 15964008
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 3992 and 3999. First we will calculate the prime factors of 3992 and 3999.
Prime Factorization of 3992
2 | 3992 |
2 | 1996 |
2 | 998 |
499 | 499 |
1 |
Prime factors of 3992 are 2,499. Prime factorization of 3992 in exponential form is:
3992 = 23×4991
Prime Factorization of 3999
3 | 3999 |
31 | 1333 |
43 | 43 |
1 |
Prime factors of 3999 are 3, 31,43. Prime factorization of 3999 in exponential form is:
3999 = 31×311×431
Now multiplying the highest exponent prime factors to calculate the LCM of 3992 and 3999.
LCM(3992,3999) = 23×31×311×431×4991
LCM(3992,3999) = 15964008
Factors of 3992
List of positive integer factors of 3992 that divides 3992 without a remainder.
1, 2, 4, 8, 499, 998, 1996, 3992
Factors of 3999
List of positive integer factors of 3999 that divides 3999 without a remainder.
1, 3, 31, 43, 93, 129, 1333, 3999
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3992 and 3999, than apply into the LCM equation.
GCF(3992,3999) = 1
LCM(3992,3999) = ( 3992 × 3999) / 1
LCM(3992,3999) = 15964008 / 1
LCM(3992,3999) = 15964008
(i) The LCM of 3999 and 3992 is associative
LCM of 3992 and 3999 = LCM of 3999 and 3992
1. What is the LCM of 3992 and 3999?
Answer: LCM of 3992 and 3999 is 15964008.
2. What are the Factors of 3992?
Answer: Factors of 3992 are 1, 2, 4, 8, 499, 998, 1996, 3992. There are 8 integers that are factors of 3992. The greatest factor of 3992 is 3992.
3. What are the Factors of 3999?
Answer: Factors of 3999 are 1, 3, 31, 43, 93, 129, 1333, 3999. There are 8 integers that are factors of 3999. The greatest factor of 3999 is 3999.
4. How to Find the LCM of 3992 and 3999?
Answer:
Least Common Multiple of 3992 and 3999 = 15964008
Step 1: Find the prime factorization of 3992
3992 = 2 x 2 x 2 x 499
Step 2: Find the prime factorization of 3999
3999 = 3 x 31 x 43
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 15964008 = 2 x 2 x 2 x 3 x 31 x 43 x 499
Step 4: Therefore, the least common multiple of 3992 and 3999 is 15964008.