Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1559 and 1564 the smallest integer that is 2438276 that is divisible by both numbers.
Least Common Multiple (LCM) of 1559 and 1564 is 2438276.
LCM(1559,1564) = 2438276
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 1559 and 1564. First we will calculate the prime factors of 1559 and 1564.
Prime Factorization of 1559
1559 | 1559 |
1 |
Prime factors of 1559 are 1559. Prime factorization of 1559 in exponential form is:
1559 = 15591
Prime Factorization of 1564
2 | 1564 |
2 | 782 |
17 | 391 |
23 | 23 |
1 |
Prime factors of 1564 are 2, 17,23. Prime factorization of 1564 in exponential form is:
1564 = 22×171×231
Now multiplying the highest exponent prime factors to calculate the LCM of 1559 and 1564.
LCM(1559,1564) = 22×171×231×15591
LCM(1559,1564) = 2438276
Factors of 1559
List of positive integer factors of 1559 that divides 1559 without a remainder.
1, 1559
Factors of 1564
List of positive integer factors of 1564 that divides 1564 without a remainder.
1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 782, 1564
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1559 and 1564, than apply into the LCM equation.
GCF(1559,1564) = 1
LCM(1559,1564) = ( 1559 × 1564) / 1
LCM(1559,1564) = 2438276 / 1
LCM(1559,1564) = 2438276
(i) The LCM of 1564 and 1559 is associative
LCM of 1559 and 1564 = LCM of 1564 and 1559
1. What is the LCM of 1559 and 1564?
Answer: LCM of 1559 and 1564 is 2438276.
2. What are the Factors of 1559?
Answer: Factors of 1559 are 1, 1559. There are 2 integers that are factors of 1559. The greatest factor of 1559 is 1559.
3. What are the Factors of 1564?
Answer: Factors of 1564 are 1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 782, 1564. There are 12 integers that are factors of 1564. The greatest factor of 1564 is 1564.
4. How to Find the LCM of 1559 and 1564?
Answer:
Least Common Multiple of 1559 and 1564 = 2438276
Step 1: Find the prime factorization of 1559
1559 = 1559
Step 2: Find the prime factorization of 1564
1564 = 2 x 2 x 17 x 23
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2438276 = 2 x 2 x 17 x 23 x 1559
Step 4: Therefore, the least common multiple of 1559 and 1564 is 2438276.