Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 909 and 912 the smallest integer that is 276336 that is divisible by both numbers.
Least Common Multiple (LCM) of 909 and 912 is 276336.
LCM(909,912) = 276336
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 909 and 912. First we will calculate the prime factors of 909 and 912.
Prime Factorization of 909
3 | 909 |
3 | 303 |
101 | 101 |
1 |
Prime factors of 909 are 3,101. Prime factorization of 909 in exponential form is:
909 = 32×1011
Prime Factorization of 912
2 | 912 |
2 | 456 |
2 | 228 |
2 | 114 |
3 | 57 |
19 | 19 |
1 |
Prime factors of 912 are 2, 3,19. Prime factorization of 912 in exponential form is:
912 = 24×31×191
Now multiplying the highest exponent prime factors to calculate the LCM of 909 and 912.
LCM(909,912) = 24×32×191×1011
LCM(909,912) = 276336
Factors of 909
List of positive integer factors of 909 that divides 909 without a remainder.
1, 3, 9, 101, 303, 909
Factors of 912
List of positive integer factors of 912 that divides 912 without a remainder.
1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 909 and 912, than apply into the LCM equation.
GCF(909,912) = 3
LCM(909,912) = ( 909 × 912) / 3
LCM(909,912) = 829008 / 3
LCM(909,912) = 276336
(i) The LCM of 912 and 909 is associative
LCM of 909 and 912 = LCM of 912 and 909
1. What is the LCM of 909 and 912?
Answer: LCM of 909 and 912 is 276336.
2. What are the Factors of 909?
Answer: Factors of 909 are 1, 3, 9, 101, 303, 909. There are 6 integers that are factors of 909. The greatest factor of 909 is 909.
3. What are the Factors of 912?
Answer: Factors of 912 are 1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912. There are 20 integers that are factors of 912. The greatest factor of 912 is 912.
4. How to Find the LCM of 909 and 912?
Answer:
Least Common Multiple of 909 and 912 = 276336
Step 1: Find the prime factorization of 909
909 = 3 x 3 x 101
Step 2: Find the prime factorization of 912
912 = 2 x 2 x 2 x 2 x 3 x 19
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 276336 = 2 x 2 x 2 x 2 x 3 x 3 x 19 x 101
Step 4: Therefore, the least common multiple of 909 and 912 is 276336.