Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 351 and 357 the smallest integer that is 41769 that is divisible by both numbers.
Least Common Multiple (LCM) of 351 and 357 is 41769.
LCM(351,357) = 41769
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 351 and 357. First we will calculate the prime factors of 351 and 357.
Prime Factorization of 351
3 | 351 |
3 | 117 |
3 | 39 |
13 | 13 |
1 |
Prime factors of 351 are 3,13. Prime factorization of 351 in exponential form is:
351 = 33×131
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 351 and 357.
LCM(351,357) = 33×71×131×171
LCM(351,357) = 41769
Factors of 351
List of positive integer factors of 351 that divides 351 without a remainder.
1, 3, 9, 13, 27, 39, 117, 351
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 351 and 357, than apply into the LCM equation.
GCF(351,357) = 3
LCM(351,357) = ( 351 × 357) / 3
LCM(351,357) = 125307 / 3
LCM(351,357) = 41769
(i) The LCM of 357 and 351 is associative
LCM of 351 and 357 = LCM of 357 and 351
1. What is the LCM of 351 and 357?
Answer: LCM of 351 and 357 is 41769.
2. What are the Factors of 351?
Answer: Factors of 351 are 1, 3, 9, 13, 27, 39, 117, 351. There are 8 integers that are factors of 351. The greatest factor of 351 is 351.
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 351 and 357?
Answer:
Least Common Multiple of 351 and 357 = 41769
Step 1: Find the prime factorization of 351
351 = 3 x 3 x 3 x 13
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 = 41769 = 3 x 3 x 3 x 7 x 13 x 17
Step 4: Therefore, the least common multiple of 351 and 357 is 41769.