Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 336 and 338 the smallest integer that is 56784 that is divisible by both numbers.
Least Common Multiple (LCM) of 336 and 338 is 56784.
LCM(336,338) = 56784
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 336 and 338. First we will calculate the prime factors of 336 and 338.
Prime Factorization of 336
2 | 336 |
2 | 168 |
2 | 84 |
2 | 42 |
3 | 21 |
7 | 7 |
1 |
Prime factors of 336 are 2, 3,7. Prime factorization of 336 in exponential form is:
336 = 24×31×71
Prime Factorization of 338
2 | 338 |
13 | 169 |
13 | 13 |
1 |
Prime factors of 338 are 2,13. Prime factorization of 338 in exponential form is:
338 = 21×132
Now multiplying the highest exponent prime factors to calculate the LCM of 336 and 338.
LCM(336,338) = 24×31×71×132
LCM(336,338) = 56784
Factors of 336
List of positive integer factors of 336 that divides 336 without a remainder.
1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336
Factors of 338
List of positive integer factors of 338 that divides 338 without a remainder.
1, 2, 13, 26, 169, 338
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 336 and 338, than apply into the LCM equation.
GCF(336,338) = 2
LCM(336,338) = ( 336 × 338) / 2
LCM(336,338) = 113568 / 2
LCM(336,338) = 56784
(i) The LCM of 338 and 336 is associative
LCM of 336 and 338 = LCM of 338 and 336
1. What is the LCM of 336 and 338?
Answer: LCM of 336 and 338 is 56784.
2. What are the Factors of 336?
Answer: Factors of 336 are 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336. There are 20 integers that are factors of 336. The greatest factor of 336 is 336.
3. What are the Factors of 338?
Answer: Factors of 338 are 1, 2, 13, 26, 169, 338. There are 6 integers that are factors of 338. The greatest factor of 338 is 338.
4. How to Find the LCM of 336 and 338?
Answer:
Least Common Multiple of 336 and 338 = 56784
Step 1: Find the prime factorization of 336
336 = 2 x 2 x 2 x 2 x 3 x 7
Step 2: Find the prime factorization of 338
338 = 2 x 13 x 13
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 56784 = 2 x 2 x 2 x 2 x 3 x 7 x 13 x 13
Step 4: Therefore, the least common multiple of 336 and 338 is 56784.