Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1608 and 1609 the smallest integer that is 2587272 that is divisible by both numbers.
Least Common Multiple (LCM) of 1608 and 1609 is 2587272.
LCM(1608,1609) = 2587272
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 1608 and 1609. First we will calculate the prime factors of 1608 and 1609.
Prime Factorization of 1608
2 | 1608 |
2 | 804 |
2 | 402 |
3 | 201 |
67 | 67 |
1 |
Prime factors of 1608 are 2, 3,67. Prime factorization of 1608 in exponential form is:
1608 = 23×31×671
Prime Factorization of 1609
1609 | 1609 |
1 |
Prime factors of 1609 are 1609. Prime factorization of 1609 in exponential form is:
1609 = 16091
Now multiplying the highest exponent prime factors to calculate the LCM of 1608 and 1609.
LCM(1608,1609) = 23×31×671×16091
LCM(1608,1609) = 2587272
Factors of 1608
List of positive integer factors of 1608 that divides 1608 without a remainder.
1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608
Factors of 1609
List of positive integer factors of 1609 that divides 1609 without a remainder.
1, 1609
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1608 and 1609, than apply into the LCM equation.
GCF(1608,1609) = 1
LCM(1608,1609) = ( 1608 × 1609) / 1
LCM(1608,1609) = 2587272 / 1
LCM(1608,1609) = 2587272
(i) The LCM of 1609 and 1608 is associative
LCM of 1608 and 1609 = LCM of 1609 and 1608
1. What is the LCM of 1608 and 1609?
Answer: LCM of 1608 and 1609 is 2587272.
2. What are the Factors of 1608?
Answer: Factors of 1608 are 1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608. There are 16 integers that are factors of 1608. The greatest factor of 1608 is 1608.
3. What are the Factors of 1609?
Answer: Factors of 1609 are 1, 1609. There are 2 integers that are factors of 1609. The greatest factor of 1609 is 1609.
4. How to Find the LCM of 1608 and 1609?
Answer:
Least Common Multiple of 1608 and 1609 = 2587272
Step 1: Find the prime factorization of 1608
1608 = 2 x 2 x 2 x 3 x 67
Step 2: Find the prime factorization of 1609
1609 = 1609
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2587272 = 2 x 2 x 2 x 3 x 67 x 1609
Step 4: Therefore, the least common multiple of 1608 and 1609 is 2587272.