Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2861 and 2867 the smallest integer that is 8202487 that is divisible by both numbers.
Least Common Multiple (LCM) of 2861 and 2867 is 8202487.
LCM(2861,2867) = 8202487
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 2861 and 2867. First we will calculate the prime factors of 2861 and 2867.
Prime Factorization of 2861
2861 | 2861 |
1 |
Prime factors of 2861 are 2861. Prime factorization of 2861 in exponential form is:
2861 = 28611
Prime Factorization of 2867
47 | 2867 |
61 | 61 |
1 |
Prime factors of 2867 are 47,61. Prime factorization of 2867 in exponential form is:
2867 = 471×611
Now multiplying the highest exponent prime factors to calculate the LCM of 2861 and 2867.
LCM(2861,2867) = 471×611×28611
LCM(2861,2867) = 8202487
Factors of 2861
List of positive integer factors of 2861 that divides 2861 without a remainder.
1, 2861
Factors of 2867
List of positive integer factors of 2867 that divides 2867 without a remainder.
1, 47, 61, 2867
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2861 and 2867, than apply into the LCM equation.
GCF(2861,2867) = 1
LCM(2861,2867) = ( 2861 × 2867) / 1
LCM(2861,2867) = 8202487 / 1
LCM(2861,2867) = 8202487
(i) The LCM of 2867 and 2861 is associative
LCM of 2861 and 2867 = LCM of 2867 and 2861
1. What is the LCM of 2861 and 2867?
Answer: LCM of 2861 and 2867 is 8202487.
2. What are the Factors of 2861?
Answer: Factors of 2861 are 1, 2861. There are 2 integers that are factors of 2861. The greatest factor of 2861 is 2861.
3. What are the Factors of 2867?
Answer: Factors of 2867 are 1, 47, 61, 2867. There are 4 integers that are factors of 2867. The greatest factor of 2867 is 2867.
4. How to Find the LCM of 2861 and 2867?
Answer:
Least Common Multiple of 2861 and 2867 = 8202487
Step 1: Find the prime factorization of 2861
2861 = 2861
Step 2: Find the prime factorization of 2867
2867 = 47 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 = 8202487 = 47 x 61 x 2861
Step 4: Therefore, the least common multiple of 2861 and 2867 is 8202487.