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 2109 the smallest integer that is 4433118 that is divisible by both numbers.
Least Common Multiple (LCM) of 2102 and 2109 is 4433118.
LCM(2102,2109) = 4433118
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 2109. First we will calculate the prime factors of 2102 and 2109.
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 2109
3 | 2109 |
19 | 703 |
37 | 37 |
1 |
Prime factors of 2109 are 3, 19,37. Prime factorization of 2109 in exponential form is:
2109 = 31×191×371
Now multiplying the highest exponent prime factors to calculate the LCM of 2102 and 2109.
LCM(2102,2109) = 21×31×191×371×10511
LCM(2102,2109) = 4433118
Factors of 2102
List of positive integer factors of 2102 that divides 2102 without a remainder.
1, 2, 1051, 2102
Factors of 2109
List of positive integer factors of 2109 that divides 2109 without a remainder.
1, 3, 19, 37, 57, 111, 703, 2109
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2102 and 2109, than apply into the LCM equation.
GCF(2102,2109) = 1
LCM(2102,2109) = ( 2102 × 2109) / 1
LCM(2102,2109) = 4433118 / 1
LCM(2102,2109) = 4433118
(i) The LCM of 2109 and 2102 is associative
LCM of 2102 and 2109 = LCM of 2109 and 2102
1. What is the LCM of 2102 and 2109?
Answer: LCM of 2102 and 2109 is 4433118.
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 2109?
Answer: Factors of 2109 are 1, 3, 19, 37, 57, 111, 703, 2109. There are 8 integers that are factors of 2109. The greatest factor of 2109 is 2109.
4. How to Find the LCM of 2102 and 2109?
Answer:
Least Common Multiple of 2102 and 2109 = 4433118
Step 1: Find the prime factorization of 2102
2102 = 2 x 1051
Step 2: Find the prime factorization of 2109
2109 = 3 x 19 x 37
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 4433118 = 2 x 3 x 19 x 37 x 1051
Step 4: Therefore, the least common multiple of 2102 and 2109 is 4433118.