Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 354 and 357 the smallest integer that is 42126 that is divisible by both numbers.
Least Common Multiple (LCM) of 354 and 357 is 42126.
LCM(354,357) = 42126
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 354 and 357. First we will calculate the prime factors of 354 and 357.
Prime Factorization of 354
2 | 354 |
3 | 177 |
59 | 59 |
1 |
Prime factors of 354 are 2, 3,59. Prime factorization of 354 in exponential form is:
354 = 21×31×591
Prime Factorization of 357
3 | 357 |
7 | 119 |
17 | 17 |
1 |
Prime factors of 357 are 3, 7,17. Prime factorization of 357 in exponential form is:
357 = 31×71×171
Now multiplying the highest exponent prime factors to calculate the LCM of 354 and 357.
LCM(354,357) = 21×31×71×171×591
LCM(354,357) = 42126
Factors of 354
List of positive integer factors of 354 that divides 354 without a remainder.
1, 2, 3, 6, 59, 118, 177, 354
Factors of 357
List of positive integer factors of 357 that divides 357 without a remainder.
1, 3, 7, 17, 21, 51, 119, 357
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 354 and 357, than apply into the LCM equation.
GCF(354,357) = 3
LCM(354,357) = ( 354 × 357) / 3
LCM(354,357) = 126378 / 3
LCM(354,357) = 42126
(i) The LCM of 357 and 354 is associative
LCM of 354 and 357 = LCM of 357 and 354
1. What is the LCM of 354 and 357?
Answer: LCM of 354 and 357 is 42126.
2. What are the Factors of 354?
Answer: Factors of 354 are 1, 2, 3, 6, 59, 118, 177, 354. There are 8 integers that are factors of 354. The greatest factor of 354 is 354.
3. What are the Factors of 357?
Answer: Factors of 357 are 1, 3, 7, 17, 21, 51, 119, 357. There are 8 integers that are factors of 357. The greatest factor of 357 is 357.
4. How to Find the LCM of 354 and 357?
Answer:
Least Common Multiple of 354 and 357 = 42126
Step 1: Find the prime factorization of 354
354 = 2 x 3 x 59
Step 2: Find the prime factorization of 357
357 = 3 x 7 x 17
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 42126 = 2 x 3 x 7 x 17 x 59
Step 4: Therefore, the least common multiple of 354 and 357 is 42126.