Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2865 and 2873 the smallest integer that is 8231145 that is divisible by both numbers.
Least Common Multiple (LCM) of 2865 and 2873 is 8231145.
LCM(2865,2873) = 8231145
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 2865 and 2873. First we will calculate the prime factors of 2865 and 2873.
Prime Factorization of 2865
3 | 2865 |
5 | 955 |
191 | 191 |
1 |
Prime factors of 2865 are 3, 5,191. Prime factorization of 2865 in exponential form is:
2865 = 31×51×1911
Prime Factorization of 2873
13 | 2873 |
13 | 221 |
17 | 17 |
1 |
Prime factors of 2873 are 13,17. Prime factorization of 2873 in exponential form is:
2873 = 132×171
Now multiplying the highest exponent prime factors to calculate the LCM of 2865 and 2873.
LCM(2865,2873) = 31×51×132×171×1911
LCM(2865,2873) = 8231145
Factors of 2865
List of positive integer factors of 2865 that divides 2865 without a remainder.
1, 3, 5, 15, 191, 573, 955, 2865
Factors of 2873
List of positive integer factors of 2873 that divides 2873 without a remainder.
1, 13, 17, 169, 221, 2873
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2865 and 2873, than apply into the LCM equation.
GCF(2865,2873) = 1
LCM(2865,2873) = ( 2865 × 2873) / 1
LCM(2865,2873) = 8231145 / 1
LCM(2865,2873) = 8231145
(i) The LCM of 2873 and 2865 is associative
LCM of 2865 and 2873 = LCM of 2873 and 2865
1. What is the LCM of 2865 and 2873?
Answer: LCM of 2865 and 2873 is 8231145.
2. What are the Factors of 2865?
Answer: Factors of 2865 are 1, 3, 5, 15, 191, 573, 955, 2865. There are 8 integers that are factors of 2865. The greatest factor of 2865 is 2865.
3. What are the Factors of 2873?
Answer: Factors of 2873 are 1, 13, 17, 169, 221, 2873. There are 6 integers that are factors of 2873. The greatest factor of 2873 is 2873.
4. How to Find the LCM of 2865 and 2873?
Answer:
Least Common Multiple of 2865 and 2873 = 8231145
Step 1: Find the prime factorization of 2865
2865 = 3 x 5 x 191
Step 2: Find the prime factorization of 2873
2873 = 13 x 13 x 17
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 8231145 = 3 x 5 x 13 x 13 x 17 x 191
Step 4: Therefore, the least common multiple of 2865 and 2873 is 8231145.