Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2809 and 2817 the smallest integer that is 7912953 that is divisible by both numbers.
Least Common Multiple (LCM) of 2809 and 2817 is 7912953.
LCM(2809,2817) = 7912953
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 2809 and 2817. First we will calculate the prime factors of 2809 and 2817.
Prime Factorization of 2809
53 | 2809 |
53 | 53 |
1 |
Prime factors of 2809 are 53. Prime factorization of 2809 in exponential form is:
2809 = 532
Prime Factorization of 2817
3 | 2817 |
3 | 939 |
313 | 313 |
1 |
Prime factors of 2817 are 3,313. Prime factorization of 2817 in exponential form is:
2817 = 32×3131
Now multiplying the highest exponent prime factors to calculate the LCM of 2809 and 2817.
LCM(2809,2817) = 32×532×3131
LCM(2809,2817) = 7912953
Factors of 2809
List of positive integer factors of 2809 that divides 2809 without a remainder.
1, 53, 2809
Factors of 2817
List of positive integer factors of 2817 that divides 2817 without a remainder.
1, 3, 9, 313, 939, 2817
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2809 and 2817, than apply into the LCM equation.
GCF(2809,2817) = 1
LCM(2809,2817) = ( 2809 × 2817) / 1
LCM(2809,2817) = 7912953 / 1
LCM(2809,2817) = 7912953
(i) The LCM of 2817 and 2809 is associative
LCM of 2809 and 2817 = LCM of 2817 and 2809
1. What is the LCM of 2809 and 2817?
Answer: LCM of 2809 and 2817 is 7912953.
2. What are the Factors of 2809?
Answer: Factors of 2809 are 1, 53, 2809. There are 3 integers that are factors of 2809. The greatest factor of 2809 is 2809.
3. What are the Factors of 2817?
Answer: Factors of 2817 are 1, 3, 9, 313, 939, 2817. There are 6 integers that are factors of 2817. The greatest factor of 2817 is 2817.
4. How to Find the LCM of 2809 and 2817?
Answer:
Least Common Multiple of 2809 and 2817 = 7912953
Step 1: Find the prime factorization of 2809
2809 = 53 x 53
Step 2: Find the prime factorization of 2817
2817 = 3 x 3 x 313
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 7912953 = 3 x 3 x 53 x 53 x 313
Step 4: Therefore, the least common multiple of 2809 and 2817 is 7912953.