Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 194 and 198 the smallest integer that is 19206 that is divisible by both numbers.
Least Common Multiple (LCM) of 194 and 198 is 19206.
LCM(194,198) = 19206
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 194 and 198. First we will calculate the prime factors of 194 and 198.
Prime Factorization of 194
2 | 194 |
97 | 97 |
1 |
Prime factors of 194 are 2,97. Prime factorization of 194 in exponential form is:
194 = 21×971
Prime Factorization of 198
2 | 198 |
3 | 99 |
3 | 33 |
11 | 11 |
1 |
Prime factors of 198 are 2, 3,11. Prime factorization of 198 in exponential form is:
198 = 21×32×111
Now multiplying the highest exponent prime factors to calculate the LCM of 194 and 198.
LCM(194,198) = 21×32×111×971
LCM(194,198) = 19206
Factors of 194
List of positive integer factors of 194 that divides 194 without a remainder.
1, 2, 97, 194
Factors of 198
List of positive integer factors of 198 that divides 198 without a remainder.
1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 194 and 198, than apply into the LCM equation.
GCF(194,198) = 2
LCM(194,198) = ( 194 × 198) / 2
LCM(194,198) = 38412 / 2
LCM(194,198) = 19206
(i) The LCM of 198 and 194 is associative
LCM of 194 and 198 = LCM of 198 and 194
1. What is the LCM of 194 and 198?
Answer: LCM of 194 and 198 is 19206.
2. What are the Factors of 194?
Answer: Factors of 194 are 1, 2, 97, 194. There are 4 integers that are factors of 194. The greatest factor of 194 is 194.
3. What are the Factors of 198?
Answer: Factors of 198 are 1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198. There are 12 integers that are factors of 198. The greatest factor of 198 is 198.
4. How to Find the LCM of 194 and 198?
Answer:
Least Common Multiple of 194 and 198 = 19206
Step 1: Find the prime factorization of 194
194 = 2 x 97
Step 2: Find the prime factorization of 198
198 = 2 x 3 x 3 x 11
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 19206 = 2 x 3 x 3 x 11 x 97
Step 4: Therefore, the least common multiple of 194 and 198 is 19206.