Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1603 and 1609 the smallest integer that is 2579227 that is divisible by both numbers.
Least Common Multiple (LCM) of 1603 and 1609 is 2579227.
LCM(1603,1609) = 2579227
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 1603 and 1609. First we will calculate the prime factors of 1603 and 1609.
Prime Factorization of 1603
7 | 1603 |
229 | 229 |
1 |
Prime factors of 1603 are 7,229. Prime factorization of 1603 in exponential form is:
1603 = 71×2291
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 1603 and 1609.
LCM(1603,1609) = 71×2291×16091
LCM(1603,1609) = 2579227
Factors of 1603
List of positive integer factors of 1603 that divides 1603 without a remainder.
1, 7, 229, 1603
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 1603 and 1609, than apply into the LCM equation.
GCF(1603,1609) = 1
LCM(1603,1609) = ( 1603 × 1609) / 1
LCM(1603,1609) = 2579227 / 1
LCM(1603,1609) = 2579227
(i) The LCM of 1609 and 1603 is associative
LCM of 1603 and 1609 = LCM of 1609 and 1603
1. What is the LCM of 1603 and 1609?
Answer: LCM of 1603 and 1609 is 2579227.
2. What are the Factors of 1603?
Answer: Factors of 1603 are 1, 7, 229, 1603. There are 4 integers that are factors of 1603. The greatest factor of 1603 is 1603.
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 1603 and 1609?
Answer:
Least Common Multiple of 1603 and 1609 = 2579227
Step 1: Find the prime factorization of 1603
1603 = 7 x 229
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 = 2579227 = 7 x 229 x 1609
Step 4: Therefore, the least common multiple of 1603 and 1609 is 2579227.