Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2003 and 2006 the smallest integer that is 4018018 that is divisible by both numbers.
Least Common Multiple (LCM) of 2003 and 2006 is 4018018.
LCM(2003,2006) = 4018018
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 2003 and 2006. First we will calculate the prime factors of 2003 and 2006.
Prime Factorization of 2003
2003 | 2003 |
1 |
Prime factors of 2003 are 2003. Prime factorization of 2003 in exponential form is:
2003 = 20031
Prime Factorization of 2006
2 | 2006 |
17 | 1003 |
59 | 59 |
1 |
Prime factors of 2006 are 2, 17,59. Prime factorization of 2006 in exponential form is:
2006 = 21×171×591
Now multiplying the highest exponent prime factors to calculate the LCM of 2003 and 2006.
LCM(2003,2006) = 21×171×591×20031
LCM(2003,2006) = 4018018
Factors of 2003
List of positive integer factors of 2003 that divides 2003 without a remainder.
1, 2003
Factors of 2006
List of positive integer factors of 2006 that divides 2006 without a remainder.
1, 2, 17, 34, 59, 118, 1003, 2006
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2003 and 2006, than apply into the LCM equation.
GCF(2003,2006) = 1
LCM(2003,2006) = ( 2003 × 2006) / 1
LCM(2003,2006) = 4018018 / 1
LCM(2003,2006) = 4018018
(i) The LCM of 2006 and 2003 is associative
LCM of 2003 and 2006 = LCM of 2006 and 2003
1. What is the LCM of 2003 and 2006?
Answer: LCM of 2003 and 2006 is 4018018.
2. What are the Factors of 2003?
Answer: Factors of 2003 are 1, 2003. There are 2 integers that are factors of 2003. The greatest factor of 2003 is 2003.
3. What are the Factors of 2006?
Answer: Factors of 2006 are 1, 2, 17, 34, 59, 118, 1003, 2006. There are 8 integers that are factors of 2006. The greatest factor of 2006 is 2006.
4. How to Find the LCM of 2003 and 2006?
Answer:
Least Common Multiple of 2003 and 2006 = 4018018
Step 1: Find the prime factorization of 2003
2003 = 2003
Step 2: Find the prime factorization of 2006
2006 = 2 x 17 x 59
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 4018018 = 2 x 17 x 59 x 2003
Step 4: Therefore, the least common multiple of 2003 and 2006 is 4018018.