Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1916 and 1924 the smallest integer that is 921596 that is divisible by both numbers.
Least Common Multiple (LCM) of 1916 and 1924 is 921596.
LCM(1916,1924) = 921596
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 1916 and 1924. First we will calculate the prime factors of 1916 and 1924.
Prime Factorization of 1916
2 | 1916 |
2 | 958 |
479 | 479 |
1 |
Prime factors of 1916 are 2,479. Prime factorization of 1916 in exponential form is:
1916 = 22×4791
Prime Factorization of 1924
2 | 1924 |
2 | 962 |
13 | 481 |
37 | 37 |
1 |
Prime factors of 1924 are 2, 13,37. Prime factorization of 1924 in exponential form is:
1924 = 22×131×371
Now multiplying the highest exponent prime factors to calculate the LCM of 1916 and 1924.
LCM(1916,1924) = 22×131×371×4791
LCM(1916,1924) = 921596
Factors of 1916
List of positive integer factors of 1916 that divides 1916 without a remainder.
1, 2, 4, 479, 958, 1916
Factors of 1924
List of positive integer factors of 1924 that divides 1924 without a remainder.
1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1916 and 1924, than apply into the LCM equation.
GCF(1916,1924) = 4
LCM(1916,1924) = ( 1916 × 1924) / 4
LCM(1916,1924) = 3686384 / 4
LCM(1916,1924) = 921596
(i) The LCM of 1924 and 1916 is associative
LCM of 1916 and 1924 = LCM of 1924 and 1916
1. What is the LCM of 1916 and 1924?
Answer: LCM of 1916 and 1924 is 921596.
2. What are the Factors of 1916?
Answer: Factors of 1916 are 1, 2, 4, 479, 958, 1916. There are 6 integers that are factors of 1916. The greatest factor of 1916 is 1916.
3. What are the Factors of 1924?
Answer: Factors of 1924 are 1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924. There are 12 integers that are factors of 1924. The greatest factor of 1924 is 1924.
4. How to Find the LCM of 1916 and 1924?
Answer:
Least Common Multiple of 1916 and 1924 = 921596
Step 1: Find the prime factorization of 1916
1916 = 2 x 2 x 479
Step 2: Find the prime factorization of 1924
1924 = 2 x 2 x 13 x 37
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 921596 = 2 x 2 x 13 x 37 x 479
Step 4: Therefore, the least common multiple of 1916 and 1924 is 921596.