Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 610 and 615 the smallest integer that is 75030 that is divisible by both numbers.
Least Common Multiple (LCM) of 610 and 615 is 75030.
LCM(610,615) = 75030
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 610 and 615. First we will calculate the prime factors of 610 and 615.
Prime Factorization of 610
2 | 610 |
5 | 305 |
61 | 61 |
1 |
Prime factors of 610 are 2, 5,61. Prime factorization of 610 in exponential form is:
610 = 21×51×611
Prime Factorization of 615
3 | 615 |
5 | 205 |
41 | 41 |
1 |
Prime factors of 615 are 3, 5,41. Prime factorization of 615 in exponential form is:
615 = 31×51×411
Now multiplying the highest exponent prime factors to calculate the LCM of 610 and 615.
LCM(610,615) = 21×31×51×411×611
LCM(610,615) = 75030
Factors of 610
List of positive integer factors of 610 that divides 610 without a remainder.
1, 2, 5, 10, 61, 122, 305, 610
Factors of 615
List of positive integer factors of 615 that divides 615 without a remainder.
1, 3, 5, 15, 41, 123, 205, 615
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 610 and 615, than apply into the LCM equation.
GCF(610,615) = 5
LCM(610,615) = ( 610 × 615) / 5
LCM(610,615) = 375150 / 5
LCM(610,615) = 75030
(i) The LCM of 615 and 610 is associative
LCM of 610 and 615 = LCM of 615 and 610
1. What is the LCM of 610 and 615?
Answer: LCM of 610 and 615 is 75030.
2. What are the Factors of 610?
Answer: Factors of 610 are 1, 2, 5, 10, 61, 122, 305, 610. There are 8 integers that are factors of 610. The greatest factor of 610 is 610.
3. What are the Factors of 615?
Answer: Factors of 615 are 1, 3, 5, 15, 41, 123, 205, 615. There are 8 integers that are factors of 615. The greatest factor of 615 is 615.
4. How to Find the LCM of 610 and 615?
Answer:
Least Common Multiple of 610 and 615 = 75030
Step 1: Find the prime factorization of 610
610 = 2 x 5 x 61
Step 2: Find the prime factorization of 615
615 = 3 x 5 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 = 75030 = 2 x 3 x 5 x 41 x 61
Step 4: Therefore, the least common multiple of 610 and 615 is 75030.