Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 919 and 921 the smallest integer that is 846399 that is divisible by both numbers.
Least Common Multiple (LCM) of 919 and 921 is 846399.
LCM(919,921) = 846399
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 919 and 921. First we will calculate the prime factors of 919 and 921.
Prime Factorization of 919
919 | 919 |
1 |
Prime factors of 919 are 919. Prime factorization of 919 in exponential form is:
919 = 9191
Prime Factorization of 921
3 | 921 |
307 | 307 |
1 |
Prime factors of 921 are 3,307. Prime factorization of 921 in exponential form is:
921 = 31×3071
Now multiplying the highest exponent prime factors to calculate the LCM of 919 and 921.
LCM(919,921) = 31×3071×9191
LCM(919,921) = 846399
Factors of 919
List of positive integer factors of 919 that divides 919 without a remainder.
1, 919
Factors of 921
List of positive integer factors of 921 that divides 921 without a remainder.
1, 3, 307, 921
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 919 and 921, than apply into the LCM equation.
GCF(919,921) = 1
LCM(919,921) = ( 919 × 921) / 1
LCM(919,921) = 846399 / 1
LCM(919,921) = 846399
(i) The LCM of 921 and 919 is associative
LCM of 919 and 921 = LCM of 921 and 919
1. What is the LCM of 919 and 921?
Answer: LCM of 919 and 921 is 846399.
2. What are the Factors of 919?
Answer: Factors of 919 are 1, 919. There are 2 integers that are factors of 919. The greatest factor of 919 is 919.
3. What are the Factors of 921?
Answer: Factors of 921 are 1, 3, 307, 921. There are 4 integers that are factors of 921. The greatest factor of 921 is 921.
4. How to Find the LCM of 919 and 921?
Answer:
Least Common Multiple of 919 and 921 = 846399
Step 1: Find the prime factorization of 919
919 = 919
Step 2: Find the prime factorization of 921
921 = 3 x 307
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 846399 = 3 x 307 x 919
Step 4: Therefore, the least common multiple of 919 and 921 is 846399.