Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6904 and 6909 the smallest integer that is 47699736 that is divisible by both numbers.
Least Common Multiple (LCM) of 6904 and 6909 is 47699736.
LCM(6904,6909) = 47699736
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 6904 and 6909. First we will calculate the prime factors of 6904 and 6909.
Prime Factorization of 6904
2 | 6904 |
2 | 3452 |
2 | 1726 |
863 | 863 |
1 |
Prime factors of 6904 are 2,863. Prime factorization of 6904 in exponential form is:
6904 = 23×8631
Prime Factorization of 6909
3 | 6909 |
7 | 2303 |
7 | 329 |
47 | 47 |
1 |
Prime factors of 6909 are 3, 7,47. Prime factorization of 6909 in exponential form is:
6909 = 31×72×471
Now multiplying the highest exponent prime factors to calculate the LCM of 6904 and 6909.
LCM(6904,6909) = 23×31×72×471×8631
LCM(6904,6909) = 47699736
Factors of 6904
List of positive integer factors of 6904 that divides 6904 without a remainder.
1, 2, 4, 8, 863, 1726, 3452, 6904
Factors of 6909
List of positive integer factors of 6909 that divides 6909 without a remainder.
1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 6909
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6904 and 6909, than apply into the LCM equation.
GCF(6904,6909) = 1
LCM(6904,6909) = ( 6904 × 6909) / 1
LCM(6904,6909) = 47699736 / 1
LCM(6904,6909) = 47699736
(i) The LCM of 6909 and 6904 is associative
LCM of 6904 and 6909 = LCM of 6909 and 6904
1. What is the LCM of 6904 and 6909?
Answer: LCM of 6904 and 6909 is 47699736.
2. What are the Factors of 6904?
Answer: Factors of 6904 are 1, 2, 4, 8, 863, 1726, 3452, 6904. There are 8 integers that are factors of 6904. The greatest factor of 6904 is 6904.
3. What are the Factors of 6909?
Answer: Factors of 6909 are 1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 6909. There are 12 integers that are factors of 6909. The greatest factor of 6909 is 6909.
4. How to Find the LCM of 6904 and 6909?
Answer:
Least Common Multiple of 6904 and 6909 = 47699736
Step 1: Find the prime factorization of 6904
6904 = 2 x 2 x 2 x 863
Step 2: Find the prime factorization of 6909
6909 = 3 x 7 x 7 x 47
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 47699736 = 2 x 2 x 2 x 3 x 7 x 7 x 47 x 863
Step 4: Therefore, the least common multiple of 6904 and 6909 is 47699736.