Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 857 and 863 the smallest integer that is 739591 that is divisible by both numbers.
Least Common Multiple (LCM) of 857 and 863 is 739591.
LCM(857,863) = 739591
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 857 and 863. First we will calculate the prime factors of 857 and 863.
Prime Factorization of 857
857 | 857 |
1 |
Prime factors of 857 are 857. Prime factorization of 857 in exponential form is:
857 = 8571
Prime Factorization of 863
863 | 863 |
1 |
Prime factors of 863 are 863. Prime factorization of 863 in exponential form is:
863 = 8631
Now multiplying the highest exponent prime factors to calculate the LCM of 857 and 863.
LCM(857,863) = 8571×8631
LCM(857,863) = 739591
Factors of 857
List of positive integer factors of 857 that divides 857 without a remainder.
1, 857
Factors of 863
List of positive integer factors of 863 that divides 863 without a remainder.
1, 863
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 857 and 863, than apply into the LCM equation.
GCF(857,863) = 1
LCM(857,863) = ( 857 × 863) / 1
LCM(857,863) = 739591 / 1
LCM(857,863) = 739591
(i) The LCM of 863 and 857 is associative
LCM of 857 and 863 = LCM of 863 and 857
1. What is the LCM of 857 and 863?
Answer: LCM of 857 and 863 is 739591.
2. What are the Factors of 857?
Answer: Factors of 857 are 1, 857. There are 2 integers that are factors of 857. The greatest factor of 857 is 857.
3. 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.
4. How to Find the LCM of 857 and 863?
Answer:
Least Common Multiple of 857 and 863 = 739591
Step 1: Find the prime factorization of 857
857 = 857
Step 2: Find the prime factorization of 863
863 = 863
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 739591 = 857 x 863
Step 4: Therefore, the least common multiple of 857 and 863 is 739591.