Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1574 and 1578 the smallest integer that is 1241886 that is divisible by both numbers.
Least Common Multiple (LCM) of 1574 and 1578 is 1241886.
LCM(1574,1578) = 1241886
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 1574 and 1578. First we will calculate the prime factors of 1574 and 1578.
Prime Factorization of 1574
2 | 1574 |
787 | 787 |
1 |
Prime factors of 1574 are 2,787. Prime factorization of 1574 in exponential form is:
1574 = 21×7871
Prime Factorization of 1578
2 | 1578 |
3 | 789 |
263 | 263 |
1 |
Prime factors of 1578 are 2, 3,263. Prime factorization of 1578 in exponential form is:
1578 = 21×31×2631
Now multiplying the highest exponent prime factors to calculate the LCM of 1574 and 1578.
LCM(1574,1578) = 21×31×2631×7871
LCM(1574,1578) = 1241886
Factors of 1574
List of positive integer factors of 1574 that divides 1574 without a remainder.
1, 2, 787, 1574
Factors of 1578
List of positive integer factors of 1578 that divides 1578 without a remainder.
1, 2, 3, 6, 263, 526, 789, 1578
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1574 and 1578, than apply into the LCM equation.
GCF(1574,1578) = 2
LCM(1574,1578) = ( 1574 × 1578) / 2
LCM(1574,1578) = 2483772 / 2
LCM(1574,1578) = 1241886
(i) The LCM of 1578 and 1574 is associative
LCM of 1574 and 1578 = LCM of 1578 and 1574
1. What is the LCM of 1574 and 1578?
Answer: LCM of 1574 and 1578 is 1241886.
2. What are the Factors of 1574?
Answer: Factors of 1574 are 1, 2, 787, 1574. There are 4 integers that are factors of 1574. The greatest factor of 1574 is 1574.
3. What are the Factors of 1578?
Answer: Factors of 1578 are 1, 2, 3, 6, 263, 526, 789, 1578. There are 8 integers that are factors of 1578. The greatest factor of 1578 is 1578.
4. How to Find the LCM of 1574 and 1578?
Answer:
Least Common Multiple of 1574 and 1578 = 1241886
Step 1: Find the prime factorization of 1574
1574 = 2 x 787
Step 2: Find the prime factorization of 1578
1578 = 2 x 3 x 263
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1241886 = 2 x 3 x 263 x 787
Step 4: Therefore, the least common multiple of 1574 and 1578 is 1241886.