Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1554 and 1558 the smallest integer that is 1210566 that is divisible by both numbers.
Least Common Multiple (LCM) of 1554 and 1558 is 1210566.
LCM(1554,1558) = 1210566
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 1554 and 1558. First we will calculate the prime factors of 1554 and 1558.
Prime Factorization of 1554
2 | 1554 |
3 | 777 |
7 | 259 |
37 | 37 |
1 |
Prime factors of 1554 are 2, 3, 7,37. Prime factorization of 1554 in exponential form is:
1554 = 21×31×71×371
Prime Factorization of 1558
2 | 1558 |
19 | 779 |
41 | 41 |
1 |
Prime factors of 1558 are 2, 19,41. Prime factorization of 1558 in exponential form is:
1558 = 21×191×411
Now multiplying the highest exponent prime factors to calculate the LCM of 1554 and 1558.
LCM(1554,1558) = 21×31×71×191×371×411
LCM(1554,1558) = 1210566
Factors of 1554
List of positive integer factors of 1554 that divides 1554 without a remainder.
1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554
Factors of 1558
List of positive integer factors of 1558 that divides 1558 without a remainder.
1, 2, 19, 38, 41, 82, 779, 1558
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1554 and 1558, than apply into the LCM equation.
GCF(1554,1558) = 2
LCM(1554,1558) = ( 1554 × 1558) / 2
LCM(1554,1558) = 2421132 / 2
LCM(1554,1558) = 1210566
(i) The LCM of 1558 and 1554 is associative
LCM of 1554 and 1558 = LCM of 1558 and 1554
1. What is the LCM of 1554 and 1558?
Answer: LCM of 1554 and 1558 is 1210566.
2. What are the Factors of 1554?
Answer: Factors of 1554 are 1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554. There are 16 integers that are factors of 1554. The greatest factor of 1554 is 1554.
3. What are the Factors of 1558?
Answer: Factors of 1558 are 1, 2, 19, 38, 41, 82, 779, 1558. There are 8 integers that are factors of 1558. The greatest factor of 1558 is 1558.
4. How to Find the LCM of 1554 and 1558?
Answer:
Least Common Multiple of 1554 and 1558 = 1210566
Step 1: Find the prime factorization of 1554
1554 = 2 x 3 x 7 x 37
Step 2: Find the prime factorization of 1558
1558 = 2 x 19 x 41
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1210566 = 2 x 3 x 7 x 19 x 37 x 41
Step 4: Therefore, the least common multiple of 1554 and 1558 is 1210566.