Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 158 and 164 the smallest integer that is 12956 that is divisible by both numbers.
Least Common Multiple (LCM) of 158 and 164 is 12956.
LCM(158,164) = 12956
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 158 and 164. First we will calculate the prime factors of 158 and 164.
Prime Factorization of 158
2 | 158 |
79 | 79 |
1 |
Prime factors of 158 are 2,79. Prime factorization of 158 in exponential form is:
158 = 21×791
Prime Factorization of 164
2 | 164 |
2 | 82 |
41 | 41 |
1 |
Prime factors of 164 are 2,41. Prime factorization of 164 in exponential form is:
164 = 22×411
Now multiplying the highest exponent prime factors to calculate the LCM of 158 and 164.
LCM(158,164) = 22×411×791
LCM(158,164) = 12956
Factors of 158
List of positive integer factors of 158 that divides 158 without a remainder.
1, 2, 79, 158
Factors of 164
List of positive integer factors of 164 that divides 164 without a remainder.
1, 2, 4, 41, 82, 164
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 158 and 164, than apply into the LCM equation.
GCF(158,164) = 2
LCM(158,164) = ( 158 × 164) / 2
LCM(158,164) = 25912 / 2
LCM(158,164) = 12956
(i) The LCM of 164 and 158 is associative
LCM of 158 and 164 = LCM of 164 and 158
1. What is the LCM of 158 and 164?
Answer: LCM of 158 and 164 is 12956.
2. What are the Factors of 158?
Answer: Factors of 158 are 1, 2, 79, 158. There are 4 integers that are factors of 158. The greatest factor of 158 is 158.
3. What are the Factors of 164?
Answer: Factors of 164 are 1, 2, 4, 41, 82, 164. There are 6 integers that are factors of 164. The greatest factor of 164 is 164.
4. How to Find the LCM of 158 and 164?
Answer:
Least Common Multiple of 158 and 164 = 12956
Step 1: Find the prime factorization of 158
158 = 2 x 79
Step 2: Find the prime factorization of 164
164 = 2 x 2 x 41
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 12956 = 2 x 2 x 41 x 79
Step 4: Therefore, the least common multiple of 158 and 164 is 12956.