Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 558 and 565 the smallest integer that is 315270 that is divisible by both numbers.
Least Common Multiple (LCM) of 558 and 565 is 315270.
LCM(558,565) = 315270
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 558 and 565. First we will calculate the prime factors of 558 and 565.
Prime Factorization of 558
2 | 558 |
3 | 279 |
3 | 93 |
31 | 31 |
1 |
Prime factors of 558 are 2, 3,31. Prime factorization of 558 in exponential form is:
558 = 21×32×311
Prime Factorization of 565
5 | 565 |
113 | 113 |
1 |
Prime factors of 565 are 5,113. Prime factorization of 565 in exponential form is:
565 = 51×1131
Now multiplying the highest exponent prime factors to calculate the LCM of 558 and 565.
LCM(558,565) = 21×32×51×311×1131
LCM(558,565) = 315270
Factors of 558
List of positive integer factors of 558 that divides 558 without a remainder.
1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558
Factors of 565
List of positive integer factors of 565 that divides 565 without a remainder.
1, 5, 113, 565
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 558 and 565, than apply into the LCM equation.
GCF(558,565) = 1
LCM(558,565) = ( 558 × 565) / 1
LCM(558,565) = 315270 / 1
LCM(558,565) = 315270
(i) The LCM of 565 and 558 is associative
LCM of 558 and 565 = LCM of 565 and 558
1. What is the LCM of 558 and 565?
Answer: LCM of 558 and 565 is 315270.
2. What are the Factors of 558?
Answer: Factors of 558 are 1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558. There are 12 integers that are factors of 558. The greatest factor of 558 is 558.
3. What are the Factors of 565?
Answer: Factors of 565 are 1, 5, 113, 565. There are 4 integers that are factors of 565. The greatest factor of 565 is 565.
4. How to Find the LCM of 558 and 565?
Answer:
Least Common Multiple of 558 and 565 = 315270
Step 1: Find the prime factorization of 558
558 = 2 x 3 x 3 x 31
Step 2: Find the prime factorization of 565
565 = 5 x 113
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 315270 = 2 x 3 x 3 x 5 x 31 x 113
Step 4: Therefore, the least common multiple of 558 and 565 is 315270.