Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 349 and 355 the smallest integer that is 123895 that is divisible by both numbers.
Least Common Multiple (LCM) of 349 and 355 is 123895.
LCM(349,355) = 123895
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 349 and 355. First we will calculate the prime factors of 349 and 355.
Prime Factorization of 349
349 | 349 |
1 |
Prime factors of 349 are 349. Prime factorization of 349 in exponential form is:
349 = 3491
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 349 and 355.
LCM(349,355) = 51×711×3491
LCM(349,355) = 123895
Factors of 349
List of positive integer factors of 349 that divides 349 without a remainder.
1, 349
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 349 and 355, than apply into the LCM equation.
GCF(349,355) = 1
LCM(349,355) = ( 349 × 355) / 1
LCM(349,355) = 123895 / 1
LCM(349,355) = 123895
(i) The LCM of 355 and 349 is associative
LCM of 349 and 355 = LCM of 355 and 349
1. What is the LCM of 349 and 355?
Answer: LCM of 349 and 355 is 123895.
2. What are the Factors of 349?
Answer: Factors of 349 are 1, 349. There are 2 integers that are factors of 349. The greatest factor of 349 is 349.
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 349 and 355?
Answer:
Least Common Multiple of 349 and 355 = 123895
Step 1: Find the prime factorization of 349
349 = 349
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 = 123895 = 5 x 71 x 349
Step 4: Therefore, the least common multiple of 349 and 355 is 123895.