Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 9886 and 9890 the smallest integer that is 48886270 that is divisible by both numbers.
Least Common Multiple (LCM) of 9886 and 9890 is 48886270.
LCM(9886,9890) = 48886270
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 9886 and 9890. First we will calculate the prime factors of 9886 and 9890.
Prime Factorization of 9886
2 | 9886 |
4943 | 4943 |
1 |
Prime factors of 9886 are 2,4943. Prime factorization of 9886 in exponential form is:
9886 = 21×49431
Prime Factorization of 9890
2 | 9890 |
5 | 4945 |
23 | 989 |
43 | 43 |
1 |
Prime factors of 9890 are 2, 5, 23,43. Prime factorization of 9890 in exponential form is:
9890 = 21×51×231×431
Now multiplying the highest exponent prime factors to calculate the LCM of 9886 and 9890.
LCM(9886,9890) = 21×51×231×431×49431
LCM(9886,9890) = 48886270
Factors of 9886
List of positive integer factors of 9886 that divides 9886 without a remainder.
1, 2, 4943, 9886
Factors of 9890
List of positive integer factors of 9890 that divides 9890 without a remainder.
1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4945, 9890
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9886 and 9890, than apply into the LCM equation.
GCF(9886,9890) = 2
LCM(9886,9890) = ( 9886 × 9890) / 2
LCM(9886,9890) = 97772540 / 2
LCM(9886,9890) = 48886270
(i) The LCM of 9890 and 9886 is associative
LCM of 9886 and 9890 = LCM of 9890 and 9886
1. What is the LCM of 9886 and 9890?
Answer: LCM of 9886 and 9890 is 48886270.
2. What are the Factors of 9886?
Answer: Factors of 9886 are 1, 2, 4943, 9886. There are 4 integers that are factors of 9886. The greatest factor of 9886 is 9886.
3. What are the Factors of 9890?
Answer: Factors of 9890 are 1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4945, 9890. There are 16 integers that are factors of 9890. The greatest factor of 9890 is 9890.
4. How to Find the LCM of 9886 and 9890?
Answer:
Least Common Multiple of 9886 and 9890 = 48886270
Step 1: Find the prime factorization of 9886
9886 = 2 x 4943
Step 2: Find the prime factorization of 9890
9890 = 2 x 5 x 23 x 43
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 48886270 = 2 x 5 x 23 x 43 x 4943
Step 4: Therefore, the least common multiple of 9886 and 9890 is 48886270.