Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 174 and 178 the smallest integer that is 15486 that is divisible by both numbers.
Least Common Multiple (LCM) of 174 and 178 is 15486.
LCM(174,178) = 15486
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 174 and 178. First we will calculate the prime factors of 174 and 178.
Prime Factorization of 174
2 | 174 |
3 | 87 |
29 | 29 |
1 |
Prime factors of 174 are 2, 3,29. Prime factorization of 174 in exponential form is:
174 = 21×31×291
Prime Factorization of 178
2 | 178 |
89 | 89 |
1 |
Prime factors of 178 are 2,89. Prime factorization of 178 in exponential form is:
178 = 21×891
Now multiplying the highest exponent prime factors to calculate the LCM of 174 and 178.
LCM(174,178) = 21×31×291×891
LCM(174,178) = 15486
Factors of 174
List of positive integer factors of 174 that divides 174 without a remainder.
1, 2, 3, 6, 29, 58, 87, 174
Factors of 178
List of positive integer factors of 178 that divides 178 without a remainder.
1, 2, 89, 178
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 174 and 178, than apply into the LCM equation.
GCF(174,178) = 2
LCM(174,178) = ( 174 × 178) / 2
LCM(174,178) = 30972 / 2
LCM(174,178) = 15486
(i) The LCM of 178 and 174 is associative
LCM of 174 and 178 = LCM of 178 and 174
1. What is the LCM of 174 and 178?
Answer: LCM of 174 and 178 is 15486.
2. What are the Factors of 174?
Answer: Factors of 174 are 1, 2, 3, 6, 29, 58, 87, 174. There are 8 integers that are factors of 174. The greatest factor of 174 is 174.
3. What are the Factors of 178?
Answer: Factors of 178 are 1, 2, 89, 178. There are 4 integers that are factors of 178. The greatest factor of 178 is 178.
4. How to Find the LCM of 174 and 178?
Answer:
Least Common Multiple of 174 and 178 = 15486
Step 1: Find the prime factorization of 174
174 = 2 x 3 x 29
Step 2: Find the prime factorization of 178
178 = 2 x 89
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 15486 = 2 x 3 x 29 x 89
Step 4: Therefore, the least common multiple of 174 and 178 is 15486.