Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2103 and 2105 the smallest integer that is 4426815 that is divisible by both numbers.
Least Common Multiple (LCM) of 2103 and 2105 is 4426815.
LCM(2103,2105) = 4426815
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 2103 and 2105. First we will calculate the prime factors of 2103 and 2105.
Prime Factorization of 2103
3 | 2103 |
701 | 701 |
1 |
Prime factors of 2103 are 3,701. Prime factorization of 2103 in exponential form is:
2103 = 31×7011
Prime Factorization of 2105
5 | 2105 |
421 | 421 |
1 |
Prime factors of 2105 are 5,421. Prime factorization of 2105 in exponential form is:
2105 = 51×4211
Now multiplying the highest exponent prime factors to calculate the LCM of 2103 and 2105.
LCM(2103,2105) = 31×51×4211×7011
LCM(2103,2105) = 4426815
Factors of 2103
List of positive integer factors of 2103 that divides 2103 without a remainder.
1, 3, 701, 2103
Factors of 2105
List of positive integer factors of 2105 that divides 2105 without a remainder.
1, 5, 421, 2105
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2103 and 2105, than apply into the LCM equation.
GCF(2103,2105) = 1
LCM(2103,2105) = ( 2103 × 2105) / 1
LCM(2103,2105) = 4426815 / 1
LCM(2103,2105) = 4426815
(i) The LCM of 2105 and 2103 is associative
LCM of 2103 and 2105 = LCM of 2105 and 2103
1. What is the LCM of 2103 and 2105?
Answer: LCM of 2103 and 2105 is 4426815.
2. What are the Factors of 2103?
Answer: Factors of 2103 are 1, 3, 701, 2103. There are 4 integers that are factors of 2103. The greatest factor of 2103 is 2103.
3. What are the Factors of 2105?
Answer: Factors of 2105 are 1, 5, 421, 2105. There are 4 integers that are factors of 2105. The greatest factor of 2105 is 2105.
4. How to Find the LCM of 2103 and 2105?
Answer:
Least Common Multiple of 2103 and 2105 = 4426815
Step 1: Find the prime factorization of 2103
2103 = 3 x 701
Step 2: Find the prime factorization of 2105
2105 = 5 x 421
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 4426815 = 3 x 5 x 421 x 701
Step 4: Therefore, the least common multiple of 2103 and 2105 is 4426815.