Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3994 and 3999 the smallest integer that is 15972006 that is divisible by both numbers.
Least Common Multiple (LCM) of 3994 and 3999 is 15972006.
LCM(3994,3999) = 15972006
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 3994 and 3999. First we will calculate the prime factors of 3994 and 3999.
Prime Factorization of 3994
2 | 3994 |
1997 | 1997 |
1 |
Prime factors of 3994 are 2,1997. Prime factorization of 3994 in exponential form is:
3994 = 21×19971
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 3994 and 3999.
LCM(3994,3999) = 21×31×311×431×19971
LCM(3994,3999) = 15972006
Factors of 3994
List of positive integer factors of 3994 that divides 3994 without a remainder.
1, 2, 1997, 3994
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 3994 and 3999, than apply into the LCM equation.
GCF(3994,3999) = 1
LCM(3994,3999) = ( 3994 × 3999) / 1
LCM(3994,3999) = 15972006 / 1
LCM(3994,3999) = 15972006
(i) The LCM of 3999 and 3994 is associative
LCM of 3994 and 3999 = LCM of 3999 and 3994
1. What is the LCM of 3994 and 3999?
Answer: LCM of 3994 and 3999 is 15972006.
2. What are the Factors of 3994?
Answer: Factors of 3994 are 1, 2, 1997, 3994. There are 4 integers that are factors of 3994. The greatest factor of 3994 is 3994.
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 3994 and 3999?
Answer:
Least Common Multiple of 3994 and 3999 = 15972006
Step 1: Find the prime factorization of 3994
3994 = 2 x 1997
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 = 15972006 = 2 x 3 x 31 x 43 x 1997
Step 4: Therefore, the least common multiple of 3994 and 3999 is 15972006.