Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 345 and 346 the smallest integer that is 119370 that is divisible by both numbers.
Least Common Multiple (LCM) of 345 and 346 is 119370.
LCM(345,346) = 119370
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 345 and 346. First we will calculate the prime factors of 345 and 346.
Prime Factorization of 345
3 | 345 |
5 | 115 |
23 | 23 |
1 |
Prime factors of 345 are 3, 5,23. Prime factorization of 345 in exponential form is:
345 = 31×51×231
Prime Factorization of 346
2 | 346 |
173 | 173 |
1 |
Prime factors of 346 are 2,173. Prime factorization of 346 in exponential form is:
346 = 21×1731
Now multiplying the highest exponent prime factors to calculate the LCM of 345 and 346.
LCM(345,346) = 21×31×51×231×1731
LCM(345,346) = 119370
Factors of 345
List of positive integer factors of 345 that divides 345 without a remainder.
1, 3, 5, 15, 23, 69, 115, 345
Factors of 346
List of positive integer factors of 346 that divides 346 without a remainder.
1, 2, 173, 346
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 345 and 346, than apply into the LCM equation.
GCF(345,346) = 1
LCM(345,346) = ( 345 × 346) / 1
LCM(345,346) = 119370 / 1
LCM(345,346) = 119370
(i) The LCM of 346 and 345 is associative
LCM of 345 and 346 = LCM of 346 and 345
1. What is the LCM of 345 and 346?
Answer: LCM of 345 and 346 is 119370.
2. What are the Factors of 345?
Answer: Factors of 345 are 1, 3, 5, 15, 23, 69, 115, 345. There are 8 integers that are factors of 345. The greatest factor of 345 is 345.
3. What are the Factors of 346?
Answer: Factors of 346 are 1, 2, 173, 346. There are 4 integers that are factors of 346. The greatest factor of 346 is 346.
4. How to Find the LCM of 345 and 346?
Answer:
Least Common Multiple of 345 and 346 = 119370
Step 1: Find the prime factorization of 345
345 = 3 x 5 x 23
Step 2: Find the prime factorization of 346
346 = 2 x 173
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 119370 = 2 x 3 x 5 x 23 x 173
Step 4: Therefore, the least common multiple of 345 and 346 is 119370.