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 870 the smallest integer that is 750810 that is divisible by both numbers.
Least Common Multiple (LCM) of 863 and 870 is 750810.
LCM(863,870) = 750810
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 870. First we will calculate the prime factors of 863 and 870.
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 870
2 | 870 |
3 | 435 |
5 | 145 |
29 | 29 |
1 |
Prime factors of 870 are 2, 3, 5,29. Prime factorization of 870 in exponential form is:
870 = 21×31×51×291
Now multiplying the highest exponent prime factors to calculate the LCM of 863 and 870.
LCM(863,870) = 21×31×51×291×8631
LCM(863,870) = 750810
Factors of 863
List of positive integer factors of 863 that divides 863 without a remainder.
1, 863
Factors of 870
List of positive integer factors of 870 that divides 870 without a remainder.
1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 863 and 870, than apply into the LCM equation.
GCF(863,870) = 1
LCM(863,870) = ( 863 × 870) / 1
LCM(863,870) = 750810 / 1
LCM(863,870) = 750810
(i) The LCM of 870 and 863 is associative
LCM of 863 and 870 = LCM of 870 and 863
1. What is the LCM of 863 and 870?
Answer: LCM of 863 and 870 is 750810.
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 870?
Answer: Factors of 870 are 1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870. There are 16 integers that are factors of 870. The greatest factor of 870 is 870.
4. How to Find the LCM of 863 and 870?
Answer:
Least Common Multiple of 863 and 870 = 750810
Step 1: Find the prime factorization of 863
863 = 863
Step 2: Find the prime factorization of 870
870 = 2 x 3 x 5 x 29
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 750810 = 2 x 3 x 5 x 29 x 863
Step 4: Therefore, the least common multiple of 863 and 870 is 750810.