Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8191 and 8198 the smallest integer that is 67149818 that is divisible by both numbers.
Least Common Multiple (LCM) of 8191 and 8198 is 67149818.
LCM(8191,8198) = 67149818
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 8191 and 8198. First we will calculate the prime factors of 8191 and 8198.
Prime Factorization of 8191
8191 | 8191 |
1 |
Prime factors of 8191 are 8191. Prime factorization of 8191 in exponential form is:
8191 = 81911
Prime Factorization of 8198
2 | 8198 |
4099 | 4099 |
1 |
Prime factors of 8198 are 2,4099. Prime factorization of 8198 in exponential form is:
8198 = 21×40991
Now multiplying the highest exponent prime factors to calculate the LCM of 8191 and 8198.
LCM(8191,8198) = 21×40991×81911
LCM(8191,8198) = 67149818
Factors of 8191
List of positive integer factors of 8191 that divides 8191 without a remainder.
1, 8191
Factors of 8198
List of positive integer factors of 8198 that divides 8198 without a remainder.
1, 2, 4099, 8198
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8191 and 8198, than apply into the LCM equation.
GCF(8191,8198) = 1
LCM(8191,8198) = ( 8191 × 8198) / 1
LCM(8191,8198) = 67149818 / 1
LCM(8191,8198) = 67149818
(i) The LCM of 8198 and 8191 is associative
LCM of 8191 and 8198 = LCM of 8198 and 8191
1. What is the LCM of 8191 and 8198?
Answer: LCM of 8191 and 8198 is 67149818.
2. What are the Factors of 8191?
Answer: Factors of 8191 are 1, 8191. There are 2 integers that are factors of 8191. The greatest factor of 8191 is 8191.
3. What are the Factors of 8198?
Answer: Factors of 8198 are 1, 2, 4099, 8198. There are 4 integers that are factors of 8198. The greatest factor of 8198 is 8198.
4. How to Find the LCM of 8191 and 8198?
Answer:
Least Common Multiple of 8191 and 8198 = 67149818
Step 1: Find the prime factorization of 8191
8191 = 8191
Step 2: Find the prime factorization of 8198
8198 = 2 x 4099
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 67149818 = 2 x 4099 x 8191
Step 4: Therefore, the least common multiple of 8191 and 8198 is 67149818.