Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2806 and 2809 the smallest integer that is 7882054 that is divisible by both numbers.
Least Common Multiple (LCM) of 2806 and 2809 is 7882054.
LCM(2806,2809) = 7882054
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 2806 and 2809. First we will calculate the prime factors of 2806 and 2809.
Prime Factorization of 2806
2 | 2806 |
23 | 1403 |
61 | 61 |
1 |
Prime factors of 2806 are 2, 23,61. Prime factorization of 2806 in exponential form is:
2806 = 21×231×611
Prime Factorization of 2809
53 | 2809 |
53 | 53 |
1 |
Prime factors of 2809 are 53. Prime factorization of 2809 in exponential form is:
2809 = 532
Now multiplying the highest exponent prime factors to calculate the LCM of 2806 and 2809.
LCM(2806,2809) = 21×231×532×611
LCM(2806,2809) = 7882054
Factors of 2806
List of positive integer factors of 2806 that divides 2806 without a remainder.
1, 2, 23, 46, 61, 122, 1403, 2806
Factors of 2809
List of positive integer factors of 2809 that divides 2809 without a remainder.
1, 53, 2809
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2806 and 2809, than apply into the LCM equation.
GCF(2806,2809) = 1
LCM(2806,2809) = ( 2806 × 2809) / 1
LCM(2806,2809) = 7882054 / 1
LCM(2806,2809) = 7882054
(i) The LCM of 2809 and 2806 is associative
LCM of 2806 and 2809 = LCM of 2809 and 2806
1. What is the LCM of 2806 and 2809?
Answer: LCM of 2806 and 2809 is 7882054.
2. What are the Factors of 2806?
Answer: Factors of 2806 are 1, 2, 23, 46, 61, 122, 1403, 2806. There are 8 integers that are factors of 2806. The greatest factor of 2806 is 2806.
3. What are the Factors of 2809?
Answer: Factors of 2809 are 1, 53, 2809. There are 3 integers that are factors of 2809. The greatest factor of 2809 is 2809.
4. How to Find the LCM of 2806 and 2809?
Answer:
Least Common Multiple of 2806 and 2809 = 7882054
Step 1: Find the prime factorization of 2806
2806 = 2 x 23 x 61
Step 2: Find the prime factorization of 2809
2809 = 53 x 53
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 7882054 = 2 x 23 x 53 x 53 x 61
Step 4: Therefore, the least common multiple of 2806 and 2809 is 7882054.