Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1061 and 1065 the smallest integer that is 1129965 that is divisible by both numbers.
Least Common Multiple (LCM) of 1061 and 1065 is 1129965.
LCM(1061,1065) = 1129965
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 1061 and 1065. First we will calculate the prime factors of 1061 and 1065.
Prime Factorization of 1061
1061 | 1061 |
1 |
Prime factors of 1061 are 1061. Prime factorization of 1061 in exponential form is:
1061 = 10611
Prime Factorization of 1065
3 | 1065 |
5 | 355 |
71 | 71 |
1 |
Prime factors of 1065 are 3, 5,71. Prime factorization of 1065 in exponential form is:
1065 = 31×51×711
Now multiplying the highest exponent prime factors to calculate the LCM of 1061 and 1065.
LCM(1061,1065) = 31×51×711×10611
LCM(1061,1065) = 1129965
Factors of 1061
List of positive integer factors of 1061 that divides 1061 without a remainder.
1, 1061
Factors of 1065
List of positive integer factors of 1065 that divides 1065 without a remainder.
1, 3, 5, 15, 71, 213, 355, 1065
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1061 and 1065, than apply into the LCM equation.
GCF(1061,1065) = 1
LCM(1061,1065) = ( 1061 × 1065) / 1
LCM(1061,1065) = 1129965 / 1
LCM(1061,1065) = 1129965
(i) The LCM of 1065 and 1061 is associative
LCM of 1061 and 1065 = LCM of 1065 and 1061
1. What is the LCM of 1061 and 1065?
Answer: LCM of 1061 and 1065 is 1129965.
2. What are the Factors of 1061?
Answer: Factors of 1061 are 1, 1061. There are 2 integers that are factors of 1061. The greatest factor of 1061 is 1061.
3. What are the Factors of 1065?
Answer: Factors of 1065 are 1, 3, 5, 15, 71, 213, 355, 1065. There are 8 integers that are factors of 1065. The greatest factor of 1065 is 1065.
4. How to Find the LCM of 1061 and 1065?
Answer:
Least Common Multiple of 1061 and 1065 = 1129965
Step 1: Find the prime factorization of 1061
1061 = 1061
Step 2: Find the prime factorization of 1065
1065 = 3 x 5 x 71
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1129965 = 3 x 5 x 71 x 1061
Step 4: Therefore, the least common multiple of 1061 and 1065 is 1129965.