Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 865 and 866 the smallest integer that is 749090 that is divisible by both numbers.
Least Common Multiple (LCM) of 865 and 866 is 749090.
LCM(865,866) = 749090
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 865 and 866. First we will calculate the prime factors of 865 and 866.
Prime Factorization of 865
5 | 865 |
173 | 173 |
1 |
Prime factors of 865 are 5,173. Prime factorization of 865 in exponential form is:
865 = 51×1731
Prime Factorization of 866
2 | 866 |
433 | 433 |
1 |
Prime factors of 866 are 2,433. Prime factorization of 866 in exponential form is:
866 = 21×4331
Now multiplying the highest exponent prime factors to calculate the LCM of 865 and 866.
LCM(865,866) = 21×51×1731×4331
LCM(865,866) = 749090
Factors of 865
List of positive integer factors of 865 that divides 865 without a remainder.
1, 5, 173, 865
Factors of 866
List of positive integer factors of 866 that divides 866 without a remainder.
1, 2, 433, 866
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 865 and 866, than apply into the LCM equation.
GCF(865,866) = 1
LCM(865,866) = ( 865 × 866) / 1
LCM(865,866) = 749090 / 1
LCM(865,866) = 749090
(i) The LCM of 866 and 865 is associative
LCM of 865 and 866 = LCM of 866 and 865
1. What is the LCM of 865 and 866?
Answer: LCM of 865 and 866 is 749090.
2. What are the Factors of 865?
Answer: Factors of 865 are 1, 5, 173, 865. There are 4 integers that are factors of 865. The greatest factor of 865 is 865.
3. What are the Factors of 866?
Answer: Factors of 866 are 1, 2, 433, 866. There are 4 integers that are factors of 866. The greatest factor of 866 is 866.
4. How to Find the LCM of 865 and 866?
Answer:
Least Common Multiple of 865 and 866 = 749090
Step 1: Find the prime factorization of 865
865 = 5 x 173
Step 2: Find the prime factorization of 866
866 = 2 x 433
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 749090 = 2 x 5 x 173 x 433
Step 4: Therefore, the least common multiple of 865 and 866 is 749090.