Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 9863 and 9870 the smallest integer that is 13906830 that is divisible by both numbers.
Least Common Multiple (LCM) of 9863 and 9870 is 13906830.
LCM(9863,9870) = 13906830
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 9863 and 9870. First we will calculate the prime factors of 9863 and 9870.
Prime Factorization of 9863
7 | 9863 |
1409 | 1409 |
1 |
Prime factors of 9863 are 7,1409. Prime factorization of 9863 in exponential form is:
9863 = 71×14091
Prime Factorization of 9870
2 | 9870 |
3 | 4935 |
5 | 1645 |
7 | 329 |
47 | 47 |
1 |
Prime factors of 9870 are 2, 3, 5, 7,47. Prime factorization of 9870 in exponential form is:
9870 = 21×31×51×71×471
Now multiplying the highest exponent prime factors to calculate the LCM of 9863 and 9870.
LCM(9863,9870) = 21×31×51×71×471×14091
LCM(9863,9870) = 13906830
Factors of 9863
List of positive integer factors of 9863 that divides 9863 without a remainder.
1, 7, 1409, 9863
Factors of 9870
List of positive integer factors of 9870 that divides 9870 without a remainder.
1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 105, 141, 210, 235, 282, 329, 470, 658, 705, 987, 1410, 1645, 1974, 3290, 4935, 9870
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9863 and 9870, than apply into the LCM equation.
GCF(9863,9870) = 7
LCM(9863,9870) = ( 9863 × 9870) / 7
LCM(9863,9870) = 97347810 / 7
LCM(9863,9870) = 13906830
(i) The LCM of 9870 and 9863 is associative
LCM of 9863 and 9870 = LCM of 9870 and 9863
1. What is the LCM of 9863 and 9870?
Answer: LCM of 9863 and 9870 is 13906830.
2. What are the Factors of 9863?
Answer: Factors of 9863 are 1, 7, 1409, 9863. There are 4 integers that are factors of 9863. The greatest factor of 9863 is 9863.
3. What are the Factors of 9870?
Answer: Factors of 9870 are 1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 105, 141, 210, 235, 282, 329, 470, 658, 705, 987, 1410, 1645, 1974, 3290, 4935, 9870. There are 32 integers that are factors of 9870. The greatest factor of 9870 is 9870.
4. How to Find the LCM of 9863 and 9870?
Answer:
Least Common Multiple of 9863 and 9870 = 13906830
Step 1: Find the prime factorization of 9863
9863 = 7 x 1409
Step 2: Find the prime factorization of 9870
9870 = 2 x 3 x 5 x 7 x 47
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 13906830 = 2 x 3 x 5 x 7 x 47 x 1409
Step 4: Therefore, the least common multiple of 9863 and 9870 is 13906830.