Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 655 and 659 the smallest integer that is 431645 that is divisible by both numbers.
Least Common Multiple (LCM) of 655 and 659 is 431645.
LCM(655,659) = 431645
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 655 and 659. First we will calculate the prime factors of 655 and 659.
Prime Factorization of 655
5 | 655 |
131 | 131 |
1 |
Prime factors of 655 are 5,131. Prime factorization of 655 in exponential form is:
655 = 51×1311
Prime Factorization of 659
659 | 659 |
1 |
Prime factors of 659 are 659. Prime factorization of 659 in exponential form is:
659 = 6591
Now multiplying the highest exponent prime factors to calculate the LCM of 655 and 659.
LCM(655,659) = 51×1311×6591
LCM(655,659) = 431645
Factors of 655
List of positive integer factors of 655 that divides 655 without a remainder.
1, 5, 131, 655
Factors of 659
List of positive integer factors of 659 that divides 659 without a remainder.
1, 659
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 655 and 659, than apply into the LCM equation.
GCF(655,659) = 1
LCM(655,659) = ( 655 × 659) / 1
LCM(655,659) = 431645 / 1
LCM(655,659) = 431645
(i) The LCM of 659 and 655 is associative
LCM of 655 and 659 = LCM of 659 and 655
1. What is the LCM of 655 and 659?
Answer: LCM of 655 and 659 is 431645.
2. What are the Factors of 655?
Answer: Factors of 655 are 1, 5, 131, 655. There are 4 integers that are factors of 655. The greatest factor of 655 is 655.
3. What are the Factors of 659?
Answer: Factors of 659 are 1, 659. There are 2 integers that are factors of 659. The greatest factor of 659 is 659.
4. How to Find the LCM of 655 and 659?
Answer:
Least Common Multiple of 655 and 659 = 431645
Step 1: Find the prime factorization of 655
655 = 5 x 131
Step 2: Find the prime factorization of 659
659 = 659
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 431645 = 5 x 131 x 659
Step 4: Therefore, the least common multiple of 655 and 659 is 431645.