Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2838 and 2845 the smallest integer that is 8074110 that is divisible by both numbers.
Least Common Multiple (LCM) of 2838 and 2845 is 8074110.
LCM(2838,2845) = 8074110
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 2838 and 2845. First we will calculate the prime factors of 2838 and 2845.
Prime Factorization of 2838
2 | 2838 |
3 | 1419 |
11 | 473 |
43 | 43 |
1 |
Prime factors of 2838 are 2, 3, 11,43. Prime factorization of 2838 in exponential form is:
2838 = 21×31×111×431
Prime Factorization of 2845
5 | 2845 |
569 | 569 |
1 |
Prime factors of 2845 are 5,569. Prime factorization of 2845 in exponential form is:
2845 = 51×5691
Now multiplying the highest exponent prime factors to calculate the LCM of 2838 and 2845.
LCM(2838,2845) = 21×31×51×111×431×5691
LCM(2838,2845) = 8074110
Factors of 2838
List of positive integer factors of 2838 that divides 2838 without a remainder.
1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 946, 1419, 2838
Factors of 2845
List of positive integer factors of 2845 that divides 2845 without a remainder.
1, 5, 569, 2845
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2838 and 2845, than apply into the LCM equation.
GCF(2838,2845) = 1
LCM(2838,2845) = ( 2838 × 2845) / 1
LCM(2838,2845) = 8074110 / 1
LCM(2838,2845) = 8074110
(i) The LCM of 2845 and 2838 is associative
LCM of 2838 and 2845 = LCM of 2845 and 2838
1. What is the LCM of 2838 and 2845?
Answer: LCM of 2838 and 2845 is 8074110.
2. What are the Factors of 2838?
Answer: Factors of 2838 are 1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 946, 1419, 2838. There are 16 integers that are factors of 2838. The greatest factor of 2838 is 2838.
3. What are the Factors of 2845?
Answer: Factors of 2845 are 1, 5, 569, 2845. There are 4 integers that are factors of 2845. The greatest factor of 2845 is 2845.
4. How to Find the LCM of 2838 and 2845?
Answer:
Least Common Multiple of 2838 and 2845 = 8074110
Step 1: Find the prime factorization of 2838
2838 = 2 x 3 x 11 x 43
Step 2: Find the prime factorization of 2845
2845 = 5 x 569
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 8074110 = 2 x 3 x 5 x 11 x 43 x 569
Step 4: Therefore, the least common multiple of 2838 and 2845 is 8074110.