Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2798 and 2806 the smallest integer that is 3925594 that is divisible by both numbers.
Least Common Multiple (LCM) of 2798 and 2806 is 3925594.
LCM(2798,2806) = 3925594
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 2798 and 2806. First we will calculate the prime factors of 2798 and 2806.
Prime Factorization of 2798
2 | 2798 |
1399 | 1399 |
1 |
Prime factors of 2798 are 2,1399. Prime factorization of 2798 in exponential form is:
2798 = 21×13991
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
Now multiplying the highest exponent prime factors to calculate the LCM of 2798 and 2806.
LCM(2798,2806) = 21×231×611×13991
LCM(2798,2806) = 3925594
Factors of 2798
List of positive integer factors of 2798 that divides 2798 without a remainder.
1, 2, 1399, 2798
Factors of 2806
List of positive integer factors of 2806 that divides 2806 without a remainder.
1, 2, 23, 46, 61, 122, 1403, 2806
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2798 and 2806, than apply into the LCM equation.
GCF(2798,2806) = 2
LCM(2798,2806) = ( 2798 × 2806) / 2
LCM(2798,2806) = 7851188 / 2
LCM(2798,2806) = 3925594
(i) The LCM of 2806 and 2798 is associative
LCM of 2798 and 2806 = LCM of 2806 and 2798
1. What is the LCM of 2798 and 2806?
Answer: LCM of 2798 and 2806 is 3925594.
2. What are the Factors of 2798?
Answer: Factors of 2798 are 1, 2, 1399, 2798. There are 4 integers that are factors of 2798. The greatest factor of 2798 is 2798.
3. 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.
4. How to Find the LCM of 2798 and 2806?
Answer:
Least Common Multiple of 2798 and 2806 = 3925594
Step 1: Find the prime factorization of 2798
2798 = 2 x 1399
Step 2: Find the prime factorization of 2806
2806 = 2 x 23 x 61
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 3925594 = 2 x 23 x 61 x 1399
Step 4: Therefore, the least common multiple of 2798 and 2806 is 3925594.