Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 863 and 868 the smallest integer that is 749084 that is divisible by both numbers.
Least Common Multiple (LCM) of 863 and 868 is 749084.
LCM(863,868) = 749084
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 863 and 868. First we will calculate the prime factors of 863 and 868.
Prime Factorization of 863
863 | 863 |
1 |
Prime factors of 863 are 863. Prime factorization of 863 in exponential form is:
863 = 8631
Prime Factorization of 868
2 | 868 |
2 | 434 |
7 | 217 |
31 | 31 |
1 |
Prime factors of 868 are 2, 7,31. Prime factorization of 868 in exponential form is:
868 = 22×71×311
Now multiplying the highest exponent prime factors to calculate the LCM of 863 and 868.
LCM(863,868) = 22×71×311×8631
LCM(863,868) = 749084
Factors of 863
List of positive integer factors of 863 that divides 863 without a remainder.
1, 863
Factors of 868
List of positive integer factors of 868 that divides 868 without a remainder.
1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 863 and 868, than apply into the LCM equation.
GCF(863,868) = 1
LCM(863,868) = ( 863 × 868) / 1
LCM(863,868) = 749084 / 1
LCM(863,868) = 749084
(i) The LCM of 868 and 863 is associative
LCM of 863 and 868 = LCM of 868 and 863
1. What is the LCM of 863 and 868?
Answer: LCM of 863 and 868 is 749084.
2. What are the Factors of 863?
Answer: Factors of 863 are 1, 863. There are 2 integers that are factors of 863. The greatest factor of 863 is 863.
3. What are the Factors of 868?
Answer: Factors of 868 are 1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868. There are 12 integers that are factors of 868. The greatest factor of 868 is 868.
4. How to Find the LCM of 863 and 868?
Answer:
Least Common Multiple of 863 and 868 = 749084
Step 1: Find the prime factorization of 863
863 = 863
Step 2: Find the prime factorization of 868
868 = 2 x 2 x 7 x 31
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 749084 = 2 x 2 x 7 x 31 x 863
Step 4: Therefore, the least common multiple of 863 and 868 is 749084.