Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1613 and 1620 the smallest integer that is 2613060 that is divisible by both numbers.
Least Common Multiple (LCM) of 1613 and 1620 is 2613060.
LCM(1613,1620) = 2613060
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 1613 and 1620. First we will calculate the prime factors of 1613 and 1620.
Prime Factorization of 1613
1613 | 1613 |
1 |
Prime factors of 1613 are 1613. Prime factorization of 1613 in exponential form is:
1613 = 16131
Prime Factorization of 1620
2 | 1620 |
2 | 810 |
3 | 405 |
3 | 135 |
3 | 45 |
3 | 15 |
5 | 5 |
1 |
Prime factors of 1620 are 2, 3,5. Prime factorization of 1620 in exponential form is:
1620 = 22×34×51
Now multiplying the highest exponent prime factors to calculate the LCM of 1613 and 1620.
LCM(1613,1620) = 22×34×51×16131
LCM(1613,1620) = 2613060
Factors of 1613
List of positive integer factors of 1613 that divides 1613 without a remainder.
1, 1613
Factors of 1620
List of positive integer factors of 1620 that divides 1620 without a remainder.
1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1613 and 1620, than apply into the LCM equation.
GCF(1613,1620) = 1
LCM(1613,1620) = ( 1613 × 1620) / 1
LCM(1613,1620) = 2613060 / 1
LCM(1613,1620) = 2613060
(i) The LCM of 1620 and 1613 is associative
LCM of 1613 and 1620 = LCM of 1620 and 1613
1. What is the LCM of 1613 and 1620?
Answer: LCM of 1613 and 1620 is 2613060.
2. What are the Factors of 1613?
Answer: Factors of 1613 are 1, 1613. There are 2 integers that are factors of 1613. The greatest factor of 1613 is 1613.
3. What are the Factors of 1620?
Answer: Factors of 1620 are 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620. There are 30 integers that are factors of 1620. The greatest factor of 1620 is 1620.
4. How to Find the LCM of 1613 and 1620?
Answer:
Least Common Multiple of 1613 and 1620 = 2613060
Step 1: Find the prime factorization of 1613
1613 = 1613
Step 2: Find the prime factorization of 1620
1620 = 2 x 2 x 3 x 3 x 3 x 3 x 5
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2613060 = 2 x 2 x 3 x 3 x 3 x 3 x 5 x 1613
Step 4: Therefore, the least common multiple of 1613 and 1620 is 2613060.