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 2807 the smallest integer that is 7876442 that is divisible by both numbers.
Least Common Multiple (LCM) of 2806 and 2807 is 7876442.
LCM(2806,2807) = 7876442
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 2807. First we will calculate the prime factors of 2806 and 2807.
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 2807
7 | 2807 |
401 | 401 |
1 |
Prime factors of 2807 are 7,401. Prime factorization of 2807 in exponential form is:
2807 = 71×4011
Now multiplying the highest exponent prime factors to calculate the LCM of 2806 and 2807.
LCM(2806,2807) = 21×71×231×611×4011
LCM(2806,2807) = 7876442
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 2807
List of positive integer factors of 2807 that divides 2807 without a remainder.
1, 7, 401, 2807
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2806 and 2807, than apply into the LCM equation.
GCF(2806,2807) = 1
LCM(2806,2807) = ( 2806 × 2807) / 1
LCM(2806,2807) = 7876442 / 1
LCM(2806,2807) = 7876442
(i) The LCM of 2807 and 2806 is associative
LCM of 2806 and 2807 = LCM of 2807 and 2806
1. What is the LCM of 2806 and 2807?
Answer: LCM of 2806 and 2807 is 7876442.
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 2807?
Answer: Factors of 2807 are 1, 7, 401, 2807. There are 4 integers that are factors of 2807. The greatest factor of 2807 is 2807.
4. How to Find the LCM of 2806 and 2807?
Answer:
Least Common Multiple of 2806 and 2807 = 7876442
Step 1: Find the prime factorization of 2806
2806 = 2 x 23 x 61
Step 2: Find the prime factorization of 2807
2807 = 7 x 401
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 7876442 = 2 x 7 x 23 x 61 x 401
Step 4: Therefore, the least common multiple of 2806 and 2807 is 7876442.