Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 4989 and 4993 the smallest integer that is 24910077 that is divisible by both numbers.
Least Common Multiple (LCM) of 4989 and 4993 is 24910077.
LCM(4989,4993) = 24910077
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 4989 and 4993. First we will calculate the prime factors of 4989 and 4993.
Prime Factorization of 4989
3 | 4989 |
1663 | 1663 |
1 |
Prime factors of 4989 are 3,1663. Prime factorization of 4989 in exponential form is:
4989 = 31×16631
Prime Factorization of 4993
4993 | 4993 |
1 |
Prime factors of 4993 are 4993. Prime factorization of 4993 in exponential form is:
4993 = 49931
Now multiplying the highest exponent prime factors to calculate the LCM of 4989 and 4993.
LCM(4989,4993) = 31×16631×49931
LCM(4989,4993) = 24910077
Factors of 4989
List of positive integer factors of 4989 that divides 4989 without a remainder.
1, 3, 1663, 4989
Factors of 4993
List of positive integer factors of 4993 that divides 4993 without a remainder.
1, 4993
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4989 and 4993, than apply into the LCM equation.
GCF(4989,4993) = 1
LCM(4989,4993) = ( 4989 × 4993) / 1
LCM(4989,4993) = 24910077 / 1
LCM(4989,4993) = 24910077
(i) The LCM of 4993 and 4989 is associative
LCM of 4989 and 4993 = LCM of 4993 and 4989
1. What is the LCM of 4989 and 4993?
Answer: LCM of 4989 and 4993 is 24910077.
2. What are the Factors of 4989?
Answer: Factors of 4989 are 1, 3, 1663, 4989. There are 4 integers that are factors of 4989. The greatest factor of 4989 is 4989.
3. What are the Factors of 4993?
Answer: Factors of 4993 are 1, 4993. There are 2 integers that are factors of 4993. The greatest factor of 4993 is 4993.
4. How to Find the LCM of 4989 and 4993?
Answer:
Least Common Multiple of 4989 and 4993 = 24910077
Step 1: Find the prime factorization of 4989
4989 = 3 x 1663
Step 2: Find the prime factorization of 4993
4993 = 4993
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 24910077 = 3 x 1663 x 4993
Step 4: Therefore, the least common multiple of 4989 and 4993 is 24910077.