Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 921 and 925 the smallest integer that is 851925 that is divisible by both numbers.
Least Common Multiple (LCM) of 921 and 925 is 851925.
LCM(921,925) = 851925
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 921 and 925. First we will calculate the prime factors of 921 and 925.
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
Prime Factorization of 925
5 | 925 |
5 | 185 |
37 | 37 |
1 |
Prime factors of 925 are 5,37. Prime factorization of 925 in exponential form is:
925 = 52×371
Now multiplying the highest exponent prime factors to calculate the LCM of 921 and 925.
LCM(921,925) = 31×52×371×3071
LCM(921,925) = 851925
Factors of 921
List of positive integer factors of 921 that divides 921 without a remainder.
1, 3, 307, 921
Factors of 925
List of positive integer factors of 925 that divides 925 without a remainder.
1, 5, 25, 37, 185, 925
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 921 and 925, than apply into the LCM equation.
GCF(921,925) = 1
LCM(921,925) = ( 921 × 925) / 1
LCM(921,925) = 851925 / 1
LCM(921,925) = 851925
(i) The LCM of 925 and 921 is associative
LCM of 921 and 925 = LCM of 925 and 921
1. What is the LCM of 921 and 925?
Answer: LCM of 921 and 925 is 851925.
2. 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.
3. What are the Factors of 925?
Answer: Factors of 925 are 1, 5, 25, 37, 185, 925. There are 6 integers that are factors of 925. The greatest factor of 925 is 925.
4. How to Find the LCM of 921 and 925?
Answer:
Least Common Multiple of 921 and 925 = 851925
Step 1: Find the prime factorization of 921
921 = 3 x 307
Step 2: Find the prime factorization of 925
925 = 5 x 5 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 = 851925 = 3 x 5 x 5 x 37 x 307
Step 4: Therefore, the least common multiple of 921 and 925 is 851925.