Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 9890 and 9897 the smallest integer that is 97881330 that is divisible by both numbers.
Least Common Multiple (LCM) of 9890 and 9897 is 97881330.
LCM(9890,9897) = 97881330
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 9890 and 9897. First we will calculate the prime factors of 9890 and 9897.
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
Prime Factorization of 9897
3 | 9897 |
3299 | 3299 |
1 |
Prime factors of 9897 are 3,3299. Prime factorization of 9897 in exponential form is:
9897 = 31×32991
Now multiplying the highest exponent prime factors to calculate the LCM of 9890 and 9897.
LCM(9890,9897) = 21×31×51×231×431×32991
LCM(9890,9897) = 97881330
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
Factors of 9897
List of positive integer factors of 9897 that divides 9897 without a remainder.
1, 3, 3299, 9897
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9890 and 9897, than apply into the LCM equation.
GCF(9890,9897) = 1
LCM(9890,9897) = ( 9890 × 9897) / 1
LCM(9890,9897) = 97881330 / 1
LCM(9890,9897) = 97881330
(i) The LCM of 9897 and 9890 is associative
LCM of 9890 and 9897 = LCM of 9897 and 9890
1. What is the LCM of 9890 and 9897?
Answer: LCM of 9890 and 9897 is 97881330.
2. 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.
3. What are the Factors of 9897?
Answer: Factors of 9897 are 1, 3, 3299, 9897. There are 4 integers that are factors of 9897. The greatest factor of 9897 is 9897.
4. How to Find the LCM of 9890 and 9897?
Answer:
Least Common Multiple of 9890 and 9897 = 97881330
Step 1: Find the prime factorization of 9890
9890 = 2 x 5 x 23 x 43
Step 2: Find the prime factorization of 9897
9897 = 3 x 3299
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 97881330 = 2 x 3 x 5 x 23 x 43 x 3299
Step 4: Therefore, the least common multiple of 9890 and 9897 is 97881330.