Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 187 and 189 the smallest integer that is 35343 that is divisible by both numbers.
Least Common Multiple (LCM) of 187 and 189 is 35343.
LCM(187,189) = 35343
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 187 and 189. First we will calculate the prime factors of 187 and 189.
Prime Factorization of 187
11 | 187 |
17 | 17 |
1 |
Prime factors of 187 are 11,17. Prime factorization of 187 in exponential form is:
187 = 111×171
Prime Factorization of 189
3 | 189 |
3 | 63 |
3 | 21 |
7 | 7 |
1 |
Prime factors of 189 are 3,7. Prime factorization of 189 in exponential form is:
189 = 33×71
Now multiplying the highest exponent prime factors to calculate the LCM of 187 and 189.
LCM(187,189) = 33×71×111×171
LCM(187,189) = 35343
Factors of 187
List of positive integer factors of 187 that divides 187 without a remainder.
1, 11, 17, 187
Factors of 189
List of positive integer factors of 189 that divides 189 without a remainder.
1, 3, 7, 9, 21, 27, 63, 189
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 187 and 189, than apply into the LCM equation.
GCF(187,189) = 1
LCM(187,189) = ( 187 × 189) / 1
LCM(187,189) = 35343 / 1
LCM(187,189) = 35343
(i) The LCM of 189 and 187 is associative
LCM of 187 and 189 = LCM of 189 and 187
1. What is the LCM of 187 and 189?
Answer: LCM of 187 and 189 is 35343.
2. What are the Factors of 187?
Answer: Factors of 187 are 1, 11, 17, 187. There are 4 integers that are factors of 187. The greatest factor of 187 is 187.
3. What are the Factors of 189?
Answer: Factors of 189 are 1, 3, 7, 9, 21, 27, 63, 189. There are 8 integers that are factors of 189. The greatest factor of 189 is 189.
4. How to Find the LCM of 187 and 189?
Answer:
Least Common Multiple of 187 and 189 = 35343
Step 1: Find the prime factorization of 187
187 = 11 x 17
Step 2: Find the prime factorization of 189
189 = 3 x 3 x 3 x 7
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 35343 = 3 x 3 x 3 x 7 x 11 x 17
Step 4: Therefore, the least common multiple of 187 and 189 is 35343.