Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1071 and 1077 the smallest integer that is 384489 that is divisible by both numbers.
Least Common Multiple (LCM) of 1071 and 1077 is 384489.
LCM(1071,1077) = 384489
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 1071 and 1077. First we will calculate the prime factors of 1071 and 1077.
Prime Factorization of 1071
3 | 1071 |
3 | 357 |
7 | 119 |
17 | 17 |
1 |
Prime factors of 1071 are 3, 7,17. Prime factorization of 1071 in exponential form is:
1071 = 32×71×171
Prime Factorization of 1077
3 | 1077 |
359 | 359 |
1 |
Prime factors of 1077 are 3,359. Prime factorization of 1077 in exponential form is:
1077 = 31×3591
Now multiplying the highest exponent prime factors to calculate the LCM of 1071 and 1077.
LCM(1071,1077) = 32×71×171×3591
LCM(1071,1077) = 384489
Factors of 1071
List of positive integer factors of 1071 that divides 1071 without a remainder.
1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071
Factors of 1077
List of positive integer factors of 1077 that divides 1077 without a remainder.
1, 3, 359, 1077
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1071 and 1077, than apply into the LCM equation.
GCF(1071,1077) = 3
LCM(1071,1077) = ( 1071 × 1077) / 3
LCM(1071,1077) = 1153467 / 3
LCM(1071,1077) = 384489
(i) The LCM of 1077 and 1071 is associative
LCM of 1071 and 1077 = LCM of 1077 and 1071
1. What is the LCM of 1071 and 1077?
Answer: LCM of 1071 and 1077 is 384489.
2. What are the Factors of 1071?
Answer: Factors of 1071 are 1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071. There are 12 integers that are factors of 1071. The greatest factor of 1071 is 1071.
3. What are the Factors of 1077?
Answer: Factors of 1077 are 1, 3, 359, 1077. There are 4 integers that are factors of 1077. The greatest factor of 1077 is 1077.
4. How to Find the LCM of 1071 and 1077?
Answer:
Least Common Multiple of 1071 and 1077 = 384489
Step 1: Find the prime factorization of 1071
1071 = 3 x 3 x 7 x 17
Step 2: Find the prime factorization of 1077
1077 = 3 x 359
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 384489 = 3 x 3 x 7 x 17 x 359
Step 4: Therefore, the least common multiple of 1071 and 1077 is 384489.