Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 9898 and 9905 the smallest integer that is 14005670 that is divisible by both numbers.
Least Common Multiple (LCM) of 9898 and 9905 is 14005670.
LCM(9898,9905) = 14005670
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 9898 and 9905. First we will calculate the prime factors of 9898 and 9905.
Prime Factorization of 9898
2 | 9898 |
7 | 4949 |
7 | 707 |
101 | 101 |
1 |
Prime factors of 9898 are 2, 7,101. Prime factorization of 9898 in exponential form is:
9898 = 21×72×1011
Prime Factorization of 9905
5 | 9905 |
7 | 1981 |
283 | 283 |
1 |
Prime factors of 9905 are 5, 7,283. Prime factorization of 9905 in exponential form is:
9905 = 51×71×2831
Now multiplying the highest exponent prime factors to calculate the LCM of 9898 and 9905.
LCM(9898,9905) = 21×51×72×1011×2831
LCM(9898,9905) = 14005670
Factors of 9898
List of positive integer factors of 9898 that divides 9898 without a remainder.
1, 2, 7, 14, 49, 98, 101, 202, 707, 1414, 4949, 9898
Factors of 9905
List of positive integer factors of 9905 that divides 9905 without a remainder.
1, 5, 7, 35, 283, 1415, 1981, 9905
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9898 and 9905, than apply into the LCM equation.
GCF(9898,9905) = 7
LCM(9898,9905) = ( 9898 × 9905) / 7
LCM(9898,9905) = 98039690 / 7
LCM(9898,9905) = 14005670
(i) The LCM of 9905 and 9898 is associative
LCM of 9898 and 9905 = LCM of 9905 and 9898
1. What is the LCM of 9898 and 9905?
Answer: LCM of 9898 and 9905 is 14005670.
2. What are the Factors of 9898?
Answer: Factors of 9898 are 1, 2, 7, 14, 49, 98, 101, 202, 707, 1414, 4949, 9898. There are 12 integers that are factors of 9898. The greatest factor of 9898 is 9898.
3. What are the Factors of 9905?
Answer: Factors of 9905 are 1, 5, 7, 35, 283, 1415, 1981, 9905. There are 8 integers that are factors of 9905. The greatest factor of 9905 is 9905.
4. How to Find the LCM of 9898 and 9905?
Answer:
Least Common Multiple of 9898 and 9905 = 14005670
Step 1: Find the prime factorization of 9898
9898 = 2 x 7 x 7 x 101
Step 2: Find the prime factorization of 9905
9905 = 5 x 7 x 283
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 14005670 = 2 x 5 x 7 x 7 x 101 x 283
Step 4: Therefore, the least common multiple of 9898 and 9905 is 14005670.