Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1134 and 1142 the smallest integer that is 647514 that is divisible by both numbers.
Least Common Multiple (LCM) of 1134 and 1142 is 647514.
LCM(1134,1142) = 647514
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 1134 and 1142. First we will calculate the prime factors of 1134 and 1142.
Prime Factorization of 1134
2 | 1134 |
3 | 567 |
3 | 189 |
3 | 63 |
3 | 21 |
7 | 7 |
1 |
Prime factors of 1134 are 2, 3,7. Prime factorization of 1134 in exponential form is:
1134 = 21×34×71
Prime Factorization of 1142
2 | 1142 |
571 | 571 |
1 |
Prime factors of 1142 are 2,571. Prime factorization of 1142 in exponential form is:
1142 = 21×5711
Now multiplying the highest exponent prime factors to calculate the LCM of 1134 and 1142.
LCM(1134,1142) = 21×34×71×5711
LCM(1134,1142) = 647514
Factors of 1134
List of positive integer factors of 1134 that divides 1134 without a remainder.
1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134
Factors of 1142
List of positive integer factors of 1142 that divides 1142 without a remainder.
1, 2, 571, 1142
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1134 and 1142, than apply into the LCM equation.
GCF(1134,1142) = 2
LCM(1134,1142) = ( 1134 × 1142) / 2
LCM(1134,1142) = 1295028 / 2
LCM(1134,1142) = 647514
(i) The LCM of 1142 and 1134 is associative
LCM of 1134 and 1142 = LCM of 1142 and 1134
1. What is the LCM of 1134 and 1142?
Answer: LCM of 1134 and 1142 is 647514.
2. What are the Factors of 1134?
Answer: Factors of 1134 are 1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134. There are 20 integers that are factors of 1134. The greatest factor of 1134 is 1134.
3. What are the Factors of 1142?
Answer: Factors of 1142 are 1, 2, 571, 1142. There are 4 integers that are factors of 1142. The greatest factor of 1142 is 1142.
4. How to Find the LCM of 1134 and 1142?
Answer:
Least Common Multiple of 1134 and 1142 = 647514
Step 1: Find the prime factorization of 1134
1134 = 2 x 3 x 3 x 3 x 3 x 7
Step 2: Find the prime factorization of 1142
1142 = 2 x 571
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 647514 = 2 x 3 x 3 x 3 x 3 x 7 x 571
Step 4: Therefore, the least common multiple of 1134 and 1142 is 647514.