Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1933 and 1938 the smallest integer that is 3746154 that is divisible by both numbers.
Least Common Multiple (LCM) of 1933 and 1938 is 3746154.
LCM(1933,1938) = 3746154
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 1933 and 1938. First we will calculate the prime factors of 1933 and 1938.
Prime Factorization of 1933
1933 | 1933 |
1 |
Prime factors of 1933 are 1933. Prime factorization of 1933 in exponential form is:
1933 = 19331
Prime Factorization of 1938
2 | 1938 |
3 | 969 |
17 | 323 |
19 | 19 |
1 |
Prime factors of 1938 are 2, 3, 17,19. Prime factorization of 1938 in exponential form is:
1938 = 21×31×171×191
Now multiplying the highest exponent prime factors to calculate the LCM of 1933 and 1938.
LCM(1933,1938) = 21×31×171×191×19331
LCM(1933,1938) = 3746154
Factors of 1933
List of positive integer factors of 1933 that divides 1933 without a remainder.
1, 1933
Factors of 1938
List of positive integer factors of 1938 that divides 1938 without a remainder.
1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 102, 114, 323, 646, 969, 1938
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1933 and 1938, than apply into the LCM equation.
GCF(1933,1938) = 1
LCM(1933,1938) = ( 1933 × 1938) / 1
LCM(1933,1938) = 3746154 / 1
LCM(1933,1938) = 3746154
(i) The LCM of 1938 and 1933 is associative
LCM of 1933 and 1938 = LCM of 1938 and 1933
1. What is the LCM of 1933 and 1938?
Answer: LCM of 1933 and 1938 is 3746154.
2. What are the Factors of 1933?
Answer: Factors of 1933 are 1, 1933. There are 2 integers that are factors of 1933. The greatest factor of 1933 is 1933.
3. What are the Factors of 1938?
Answer: Factors of 1938 are 1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 102, 114, 323, 646, 969, 1938. There are 16 integers that are factors of 1938. The greatest factor of 1938 is 1938.
4. How to Find the LCM of 1933 and 1938?
Answer:
Least Common Multiple of 1933 and 1938 = 3746154
Step 1: Find the prime factorization of 1933
1933 = 1933
Step 2: Find the prime factorization of 1938
1938 = 2 x 3 x 17 x 19
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 3746154 = 2 x 3 x 17 x 19 x 1933
Step 4: Therefore, the least common multiple of 1933 and 1938 is 3746154.