Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 859 and 865 the smallest integer that is 743035 that is divisible by both numbers.
Least Common Multiple (LCM) of 859 and 865 is 743035.
LCM(859,865) = 743035
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 859 and 865. First we will calculate the prime factors of 859 and 865.
Prime Factorization of 859
859 | 859 |
1 |
Prime factors of 859 are 859. Prime factorization of 859 in exponential form is:
859 = 8591
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
Now multiplying the highest exponent prime factors to calculate the LCM of 859 and 865.
LCM(859,865) = 51×1731×8591
LCM(859,865) = 743035
Factors of 859
List of positive integer factors of 859 that divides 859 without a remainder.
1, 859
Factors of 865
List of positive integer factors of 865 that divides 865 without a remainder.
1, 5, 173, 865
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 859 and 865, than apply into the LCM equation.
GCF(859,865) = 1
LCM(859,865) = ( 859 × 865) / 1
LCM(859,865) = 743035 / 1
LCM(859,865) = 743035
(i) The LCM of 865 and 859 is associative
LCM of 859 and 865 = LCM of 865 and 859
1. What is the LCM of 859 and 865?
Answer: LCM of 859 and 865 is 743035.
2. What are the Factors of 859?
Answer: Factors of 859 are 1, 859. There are 2 integers that are factors of 859. The greatest factor of 859 is 859.
3. 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.
4. How to Find the LCM of 859 and 865?
Answer:
Least Common Multiple of 859 and 865 = 743035
Step 1: Find the prime factorization of 859
859 = 859
Step 2: Find the prime factorization of 865
865 = 5 x 173
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 743035 = 5 x 173 x 859
Step 4: Therefore, the least common multiple of 859 and 865 is 743035.