Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 191 and 197 the smallest integer that is 37627 that is divisible by both numbers.
Least Common Multiple (LCM) of 191 and 197 is 37627.
LCM(191,197) = 37627
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 191 and 197. First we will calculate the prime factors of 191 and 197.
Prime Factorization of 191
191 | 191 |
1 |
Prime factors of 191 are 191. Prime factorization of 191 in exponential form is:
191 = 1911
Prime Factorization of 197
197 | 197 |
1 |
Prime factors of 197 are 197. Prime factorization of 197 in exponential form is:
197 = 1971
Now multiplying the highest exponent prime factors to calculate the LCM of 191 and 197.
LCM(191,197) = 1911×1971
LCM(191,197) = 37627
Factors of 191
List of positive integer factors of 191 that divides 191 without a remainder.
1, 191
Factors of 197
List of positive integer factors of 197 that divides 197 without a remainder.
1, 197
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 191 and 197, than apply into the LCM equation.
GCF(191,197) = 1
LCM(191,197) = ( 191 × 197) / 1
LCM(191,197) = 37627 / 1
LCM(191,197) = 37627
(i) The LCM of 197 and 191 is associative
LCM of 191 and 197 = LCM of 197 and 191
1. What is the LCM of 191 and 197?
Answer: LCM of 191 and 197 is 37627.
2. What are the Factors of 191?
Answer: Factors of 191 are 1, 191. There are 2 integers that are factors of 191. The greatest factor of 191 is 191.
3. What are the Factors of 197?
Answer: Factors of 197 are 1, 197. There are 2 integers that are factors of 197. The greatest factor of 197 is 197.
4. How to Find the LCM of 191 and 197?
Answer:
Least Common Multiple of 191 and 197 = 37627
Step 1: Find the prime factorization of 191
191 = 191
Step 2: Find the prime factorization of 197
197 = 197
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 37627 = 191 x 197
Step 4: Therefore, the least common multiple of 191 and 197 is 37627.