Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2102 and 2105 the smallest integer that is 4424710 that is divisible by both numbers.
Least Common Multiple (LCM) of 2102 and 2105 is 4424710.
LCM(2102,2105) = 4424710
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 2102 and 2105. First we will calculate the prime factors of 2102 and 2105.
Prime Factorization of 2102
2 | 2102 |
1051 | 1051 |
1 |
Prime factors of 2102 are 2,1051. Prime factorization of 2102 in exponential form is:
2102 = 21×10511
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 2102 and 2105.
LCM(2102,2105) = 21×51×4211×10511
LCM(2102,2105) = 4424710
Factors of 2102
List of positive integer factors of 2102 that divides 2102 without a remainder.
1, 2, 1051, 2102
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 2102 and 2105, than apply into the LCM equation.
GCF(2102,2105) = 1
LCM(2102,2105) = ( 2102 × 2105) / 1
LCM(2102,2105) = 4424710 / 1
LCM(2102,2105) = 4424710
(i) The LCM of 2105 and 2102 is associative
LCM of 2102 and 2105 = LCM of 2105 and 2102
1. What is the LCM of 2102 and 2105?
Answer: LCM of 2102 and 2105 is 4424710.
2. What are the Factors of 2102?
Answer: Factors of 2102 are 1, 2, 1051, 2102. There are 4 integers that are factors of 2102. The greatest factor of 2102 is 2102.
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 2102 and 2105?
Answer:
Least Common Multiple of 2102 and 2105 = 4424710
Step 1: Find the prime factorization of 2102
2102 = 2 x 1051
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 = 4424710 = 2 x 5 x 421 x 1051
Step 4: Therefore, the least common multiple of 2102 and 2105 is 4424710.