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 355 the smallest integer that is 124605 that is divisible by both numbers.
Least Common Multiple (LCM) of 351 and 355 is 124605.
LCM(351,355) = 124605
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 355. First we will calculate the prime factors of 351 and 355.
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 355
5 | 355 |
71 | 71 |
1 |
Prime factors of 355 are 5,71. Prime factorization of 355 in exponential form is:
355 = 51×711
Now multiplying the highest exponent prime factors to calculate the LCM of 351 and 355.
LCM(351,355) = 33×51×131×711
LCM(351,355) = 124605
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 355
List of positive integer factors of 355 that divides 355 without a remainder.
1, 5, 71, 355
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 351 and 355, than apply into the LCM equation.
GCF(351,355) = 1
LCM(351,355) = ( 351 × 355) / 1
LCM(351,355) = 124605 / 1
LCM(351,355) = 124605
(i) The LCM of 355 and 351 is associative
LCM of 351 and 355 = LCM of 355 and 351
1. What is the LCM of 351 and 355?
Answer: LCM of 351 and 355 is 124605.
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 355?
Answer: Factors of 355 are 1, 5, 71, 355. There are 4 integers that are factors of 355. The greatest factor of 355 is 355.
4. How to Find the LCM of 351 and 355?
Answer:
Least Common Multiple of 351 and 355 = 124605
Step 1: Find the prime factorization of 351
351 = 3 x 3 x 3 x 13
Step 2: Find the prime factorization of 355
355 = 5 x 71
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 124605 = 3 x 3 x 3 x 5 x 13 x 71
Step 4: Therefore, the least common multiple of 351 and 355 is 124605.