Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2109 and 2116 the smallest integer that is 4462644 that is divisible by both numbers.
Least Common Multiple (LCM) of 2109 and 2116 is 4462644.
LCM(2109,2116) = 4462644
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 2109 and 2116. First we will calculate the prime factors of 2109 and 2116.
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
Prime Factorization of 2116
2 | 2116 |
2 | 1058 |
23 | 529 |
23 | 23 |
1 |
Prime factors of 2116 are 2,23. Prime factorization of 2116 in exponential form is:
2116 = 22×232
Now multiplying the highest exponent prime factors to calculate the LCM of 2109 and 2116.
LCM(2109,2116) = 22×31×191×232×371
LCM(2109,2116) = 4462644
Factors of 2109
List of positive integer factors of 2109 that divides 2109 without a remainder.
1, 3, 19, 37, 57, 111, 703, 2109
Factors of 2116
List of positive integer factors of 2116 that divides 2116 without a remainder.
1, 2, 4, 23, 46, 92, 529, 1058, 2116
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2109 and 2116, than apply into the LCM equation.
GCF(2109,2116) = 1
LCM(2109,2116) = ( 2109 × 2116) / 1
LCM(2109,2116) = 4462644 / 1
LCM(2109,2116) = 4462644
(i) The LCM of 2116 and 2109 is associative
LCM of 2109 and 2116 = LCM of 2116 and 2109
1. What is the LCM of 2109 and 2116?
Answer: LCM of 2109 and 2116 is 4462644.
2. 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.
3. What are the Factors of 2116?
Answer: Factors of 2116 are 1, 2, 4, 23, 46, 92, 529, 1058, 2116. There are 9 integers that are factors of 2116. The greatest factor of 2116 is 2116.
4. How to Find the LCM of 2109 and 2116?
Answer:
Least Common Multiple of 2109 and 2116 = 4462644
Step 1: Find the prime factorization of 2109
2109 = 3 x 19 x 37
Step 2: Find the prime factorization of 2116
2116 = 2 x 2 x 23 x 23
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 4462644 = 2 x 2 x 3 x 19 x 23 x 23 x 37
Step 4: Therefore, the least common multiple of 2109 and 2116 is 4462644.