Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2783 and 2789 the smallest integer that is 7761787 that is divisible by both numbers.
Least Common Multiple (LCM) of 2783 and 2789 is 7761787.
LCM(2783,2789) = 7761787
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 2783 and 2789. First we will calculate the prime factors of 2783 and 2789.
Prime Factorization of 2783
11 | 2783 |
11 | 253 |
23 | 23 |
1 |
Prime factors of 2783 are 11,23. Prime factorization of 2783 in exponential form is:
2783 = 112×231
Prime Factorization of 2789
2789 | 2789 |
1 |
Prime factors of 2789 are 2789. Prime factorization of 2789 in exponential form is:
2789 = 27891
Now multiplying the highest exponent prime factors to calculate the LCM of 2783 and 2789.
LCM(2783,2789) = 112×231×27891
LCM(2783,2789) = 7761787
Factors of 2783
List of positive integer factors of 2783 that divides 2783 without a remainder.
1, 11, 23, 121, 253, 2783
Factors of 2789
List of positive integer factors of 2789 that divides 2789 without a remainder.
1, 2789
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2783 and 2789, than apply into the LCM equation.
GCF(2783,2789) = 1
LCM(2783,2789) = ( 2783 × 2789) / 1
LCM(2783,2789) = 7761787 / 1
LCM(2783,2789) = 7761787
(i) The LCM of 2789 and 2783 is associative
LCM of 2783 and 2789 = LCM of 2789 and 2783
1. What is the LCM of 2783 and 2789?
Answer: LCM of 2783 and 2789 is 7761787.
2. What are the Factors of 2783?
Answer: Factors of 2783 are 1, 11, 23, 121, 253, 2783. There are 6 integers that are factors of 2783. The greatest factor of 2783 is 2783.
3. What are the Factors of 2789?
Answer: Factors of 2789 are 1, 2789. There are 2 integers that are factors of 2789. The greatest factor of 2789 is 2789.
4. How to Find the LCM of 2783 and 2789?
Answer:
Least Common Multiple of 2783 and 2789 = 7761787
Step 1: Find the prime factorization of 2783
2783 = 11 x 11 x 23
Step 2: Find the prime factorization of 2789
2789 = 2789
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 7761787 = 11 x 11 x 23 x 2789
Step 4: Therefore, the least common multiple of 2783 and 2789 is 7761787.