Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 904 and 906 the smallest integer that is 409512 that is divisible by both numbers.
Least Common Multiple (LCM) of 904 and 906 is 409512.
LCM(904,906) = 409512
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 904 and 906. First we will calculate the prime factors of 904 and 906.
Prime Factorization of 904
2 | 904 |
2 | 452 |
2 | 226 |
113 | 113 |
1 |
Prime factors of 904 are 2,113. Prime factorization of 904 in exponential form is:
904 = 23×1131
Prime Factorization of 906
2 | 906 |
3 | 453 |
151 | 151 |
1 |
Prime factors of 906 are 2, 3,151. Prime factorization of 906 in exponential form is:
906 = 21×31×1511
Now multiplying the highest exponent prime factors to calculate the LCM of 904 and 906.
LCM(904,906) = 23×31×1131×1511
LCM(904,906) = 409512
Factors of 904
List of positive integer factors of 904 that divides 904 without a remainder.
1, 2, 4, 8, 113, 226, 452, 904
Factors of 906
List of positive integer factors of 906 that divides 906 without a remainder.
1, 2, 3, 6, 151, 302, 453, 906
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 904 and 906, than apply into the LCM equation.
GCF(904,906) = 2
LCM(904,906) = ( 904 × 906) / 2
LCM(904,906) = 819024 / 2
LCM(904,906) = 409512
(i) The LCM of 906 and 904 is associative
LCM of 904 and 906 = LCM of 906 and 904
1. What is the LCM of 904 and 906?
Answer: LCM of 904 and 906 is 409512.
2. What are the Factors of 904?
Answer: Factors of 904 are 1, 2, 4, 8, 113, 226, 452, 904. There are 8 integers that are factors of 904. The greatest factor of 904 is 904.
3. What are the Factors of 906?
Answer: Factors of 906 are 1, 2, 3, 6, 151, 302, 453, 906. There are 8 integers that are factors of 906. The greatest factor of 906 is 906.
4. How to Find the LCM of 904 and 906?
Answer:
Least Common Multiple of 904 and 906 = 409512
Step 1: Find the prime factorization of 904
904 = 2 x 2 x 2 x 113
Step 2: Find the prime factorization of 906
906 = 2 x 3 x 151
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 409512 = 2 x 2 x 2 x 3 x 113 x 151
Step 4: Therefore, the least common multiple of 904 and 906 is 409512.