Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 181 and 186 the smallest integer that is 33666 that is divisible by both numbers.
Least Common Multiple (LCM) of 181 and 186 is 33666.
LCM(181,186) = 33666
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 181 and 186. First we will calculate the prime factors of 181 and 186.
Prime Factorization of 181
181 | 181 |
1 |
Prime factors of 181 are 181. Prime factorization of 181 in exponential form is:
181 = 1811
Prime Factorization of 186
2 | 186 |
3 | 93 |
31 | 31 |
1 |
Prime factors of 186 are 2, 3,31. Prime factorization of 186 in exponential form is:
186 = 21×31×311
Now multiplying the highest exponent prime factors to calculate the LCM of 181 and 186.
LCM(181,186) = 21×31×311×1811
LCM(181,186) = 33666
Factors of 181
List of positive integer factors of 181 that divides 181 without a remainder.
1, 181
Factors of 186
List of positive integer factors of 186 that divides 186 without a remainder.
1, 2, 3, 6, 31, 62, 93, 186
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 181 and 186, than apply into the LCM equation.
GCF(181,186) = 1
LCM(181,186) = ( 181 × 186) / 1
LCM(181,186) = 33666 / 1
LCM(181,186) = 33666
(i) The LCM of 186 and 181 is associative
LCM of 181 and 186 = LCM of 186 and 181
1. What is the LCM of 181 and 186?
Answer: LCM of 181 and 186 is 33666.
2. What are the Factors of 181?
Answer: Factors of 181 are 1, 181. There are 2 integers that are factors of 181. The greatest factor of 181 is 181.
3. What are the Factors of 186?
Answer: Factors of 186 are 1, 2, 3, 6, 31, 62, 93, 186. There are 8 integers that are factors of 186. The greatest factor of 186 is 186.
4. How to Find the LCM of 181 and 186?
Answer:
Least Common Multiple of 181 and 186 = 33666
Step 1: Find the prime factorization of 181
181 = 181
Step 2: Find the prime factorization of 186
186 = 2 x 3 x 31
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 33666 = 2 x 3 x 31 x 181
Step 4: Therefore, the least common multiple of 181 and 186 is 33666.