Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2408 and 2409 the smallest integer that is 5800872 that is divisible by both numbers.
Least Common Multiple (LCM) of 2408 and 2409 is 5800872.
LCM(2408,2409) = 5800872
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 2408 and 2409. First we will calculate the prime factors of 2408 and 2409.
Prime Factorization of 2408
2 | 2408 |
2 | 1204 |
2 | 602 |
7 | 301 |
43 | 43 |
1 |
Prime factors of 2408 are 2, 7,43. Prime factorization of 2408 in exponential form is:
2408 = 23×71×431
Prime Factorization of 2409
3 | 2409 |
11 | 803 |
73 | 73 |
1 |
Prime factors of 2409 are 3, 11,73. Prime factorization of 2409 in exponential form is:
2409 = 31×111×731
Now multiplying the highest exponent prime factors to calculate the LCM of 2408 and 2409.
LCM(2408,2409) = 23×31×71×111×431×731
LCM(2408,2409) = 5800872
Factors of 2408
List of positive integer factors of 2408 that divides 2408 without a remainder.
1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408
Factors of 2409
List of positive integer factors of 2409 that divides 2409 without a remainder.
1, 3, 11, 33, 73, 219, 803, 2409
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2408 and 2409, than apply into the LCM equation.
GCF(2408,2409) = 1
LCM(2408,2409) = ( 2408 × 2409) / 1
LCM(2408,2409) = 5800872 / 1
LCM(2408,2409) = 5800872
(i) The LCM of 2409 and 2408 is associative
LCM of 2408 and 2409 = LCM of 2409 and 2408
1. What is the LCM of 2408 and 2409?
Answer: LCM of 2408 and 2409 is 5800872.
2. What are the Factors of 2408?
Answer: Factors of 2408 are 1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408. There are 16 integers that are factors of 2408. The greatest factor of 2408 is 2408.
3. What are the Factors of 2409?
Answer: Factors of 2409 are 1, 3, 11, 33, 73, 219, 803, 2409. There are 8 integers that are factors of 2409. The greatest factor of 2409 is 2409.
4. How to Find the LCM of 2408 and 2409?
Answer:
Least Common Multiple of 2408 and 2409 = 5800872
Step 1: Find the prime factorization of 2408
2408 = 2 x 2 x 2 x 7 x 43
Step 2: Find the prime factorization of 2409
2409 = 3 x 11 x 73
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 5800872 = 2 x 2 x 2 x 3 x 7 x 11 x 43 x 73
Step 4: Therefore, the least common multiple of 2408 and 2409 is 5800872.