Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 612 and 619 the smallest integer that is 378828 that is divisible by both numbers.
Least Common Multiple (LCM) of 612 and 619 is 378828.
LCM(612,619) = 378828
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 612 and 619. First we will calculate the prime factors of 612 and 619.
Prime Factorization of 612
2 | 612 |
2 | 306 |
3 | 153 |
3 | 51 |
17 | 17 |
1 |
Prime factors of 612 are 2, 3,17. Prime factorization of 612 in exponential form is:
612 = 22×32×171
Prime Factorization of 619
619 | 619 |
1 |
Prime factors of 619 are 619. Prime factorization of 619 in exponential form is:
619 = 6191
Now multiplying the highest exponent prime factors to calculate the LCM of 612 and 619.
LCM(612,619) = 22×32×171×6191
LCM(612,619) = 378828
Factors of 612
List of positive integer factors of 612 that divides 612 without a remainder.
1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612
Factors of 619
List of positive integer factors of 619 that divides 619 without a remainder.
1, 619
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 612 and 619, than apply into the LCM equation.
GCF(612,619) = 1
LCM(612,619) = ( 612 × 619) / 1
LCM(612,619) = 378828 / 1
LCM(612,619) = 378828
(i) The LCM of 619 and 612 is associative
LCM of 612 and 619 = LCM of 619 and 612
1. What is the LCM of 612 and 619?
Answer: LCM of 612 and 619 is 378828.
2. What are the Factors of 612?
Answer: Factors of 612 are 1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612. There are 18 integers that are factors of 612. The greatest factor of 612 is 612.
3. What are the Factors of 619?
Answer: Factors of 619 are 1, 619. There are 2 integers that are factors of 619. The greatest factor of 619 is 619.
4. How to Find the LCM of 612 and 619?
Answer:
Least Common Multiple of 612 and 619 = 378828
Step 1: Find the prime factorization of 612
612 = 2 x 2 x 3 x 3 x 17
Step 2: Find the prime factorization of 619
619 = 619
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 378828 = 2 x 2 x 3 x 3 x 17 x 619
Step 4: Therefore, the least common multiple of 612 and 619 is 378828.