Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1600 and 1603 the smallest integer that is 2564800 that is divisible by both numbers.
Least Common Multiple (LCM) of 1600 and 1603 is 2564800.
LCM(1600,1603) = 2564800
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 1600 and 1603. First we will calculate the prime factors of 1600 and 1603.
Prime Factorization of 1600
2 | 1600 |
2 | 800 |
2 | 400 |
2 | 200 |
2 | 100 |
2 | 50 |
5 | 25 |
5 | 5 |
1 |
Prime factors of 1600 are 2,5. Prime factorization of 1600 in exponential form is:
1600 = 26×52
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
Now multiplying the highest exponent prime factors to calculate the LCM of 1600 and 1603.
LCM(1600,1603) = 26×52×71×2291
LCM(1600,1603) = 2564800
Factors of 1600
List of positive integer factors of 1600 that divides 1600 without a remainder.
1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600
Factors of 1603
List of positive integer factors of 1603 that divides 1603 without a remainder.
1, 7, 229, 1603
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1600 and 1603, than apply into the LCM equation.
GCF(1600,1603) = 1
LCM(1600,1603) = ( 1600 × 1603) / 1
LCM(1600,1603) = 2564800 / 1
LCM(1600,1603) = 2564800
(i) The LCM of 1603 and 1600 is associative
LCM of 1600 and 1603 = LCM of 1603 and 1600
1. What is the LCM of 1600 and 1603?
Answer: LCM of 1600 and 1603 is 2564800.
2. What are the Factors of 1600?
Answer: Factors of 1600 are 1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600. There are 21 integers that are factors of 1600. The greatest factor of 1600 is 1600.
3. 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.
4. How to Find the LCM of 1600 and 1603?
Answer:
Least Common Multiple of 1600 and 1603 = 2564800
Step 1: Find the prime factorization of 1600
1600 = 2 x 2 x 2 x 2 x 2 x 2 x 5 x 5
Step 2: Find the prime factorization of 1603
1603 = 7 x 229
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2564800 = 2 x 2 x 2 x 2 x 2 x 2 x 5 x 5 x 7 x 229
Step 4: Therefore, the least common multiple of 1600 and 1603 is 2564800.