Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1923 and 1929 the smallest integer that is 1236489 that is divisible by both numbers.
Least Common Multiple (LCM) of 1923 and 1929 is 1236489.
LCM(1923,1929) = 1236489
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 1923 and 1929. First we will calculate the prime factors of 1923 and 1929.
Prime Factorization of 1923
3 | 1923 |
641 | 641 |
1 |
Prime factors of 1923 are 3,641. Prime factorization of 1923 in exponential form is:
1923 = 31×6411
Prime Factorization of 1929
3 | 1929 |
643 | 643 |
1 |
Prime factors of 1929 are 3,643. Prime factorization of 1929 in exponential form is:
1929 = 31×6431
Now multiplying the highest exponent prime factors to calculate the LCM of 1923 and 1929.
LCM(1923,1929) = 31×6411×6431
LCM(1923,1929) = 1236489
Factors of 1923
List of positive integer factors of 1923 that divides 1923 without a remainder.
1, 3, 641, 1923
Factors of 1929
List of positive integer factors of 1929 that divides 1929 without a remainder.
1, 3, 643, 1929
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1923 and 1929, than apply into the LCM equation.
GCF(1923,1929) = 3
LCM(1923,1929) = ( 1923 × 1929) / 3
LCM(1923,1929) = 3709467 / 3
LCM(1923,1929) = 1236489
(i) The LCM of 1929 and 1923 is associative
LCM of 1923 and 1929 = LCM of 1929 and 1923
1. What is the LCM of 1923 and 1929?
Answer: LCM of 1923 and 1929 is 1236489.
2. What are the Factors of 1923?
Answer: Factors of 1923 are 1, 3, 641, 1923. There are 4 integers that are factors of 1923. The greatest factor of 1923 is 1923.
3. What are the Factors of 1929?
Answer: Factors of 1929 are 1, 3, 643, 1929. There are 4 integers that are factors of 1929. The greatest factor of 1929 is 1929.
4. How to Find the LCM of 1923 and 1929?
Answer:
Least Common Multiple of 1923 and 1929 = 1236489
Step 1: Find the prime factorization of 1923
1923 = 3 x 641
Step 2: Find the prime factorization of 1929
1929 = 3 x 643
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1236489 = 3 x 641 x 643
Step 4: Therefore, the least common multiple of 1923 and 1929 is 1236489.