Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1027 and 1029 the smallest integer that is 1056783 that is divisible by both numbers.
Least Common Multiple (LCM) of 1027 and 1029 is 1056783.
LCM(1027,1029) = 1056783
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 1027 and 1029. First we will calculate the prime factors of 1027 and 1029.
Prime Factorization of 1027
13 | 1027 |
79 | 79 |
1 |
Prime factors of 1027 are 13,79. Prime factorization of 1027 in exponential form is:
1027 = 131×791
Prime Factorization of 1029
3 | 1029 |
7 | 343 |
7 | 49 |
7 | 7 |
1 |
Prime factors of 1029 are 3,7. Prime factorization of 1029 in exponential form is:
1029 = 31×73
Now multiplying the highest exponent prime factors to calculate the LCM of 1027 and 1029.
LCM(1027,1029) = 31×73×131×791
LCM(1027,1029) = 1056783
Factors of 1027
List of positive integer factors of 1027 that divides 1027 without a remainder.
1, 13, 79, 1027
Factors of 1029
List of positive integer factors of 1029 that divides 1029 without a remainder.
1, 3, 7, 21, 49, 147, 343, 1029
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1027 and 1029, than apply into the LCM equation.
GCF(1027,1029) = 1
LCM(1027,1029) = ( 1027 × 1029) / 1
LCM(1027,1029) = 1056783 / 1
LCM(1027,1029) = 1056783
(i) The LCM of 1029 and 1027 is associative
LCM of 1027 and 1029 = LCM of 1029 and 1027
1. What is the LCM of 1027 and 1029?
Answer: LCM of 1027 and 1029 is 1056783.
2. What are the Factors of 1027?
Answer: Factors of 1027 are 1, 13, 79, 1027. There are 4 integers that are factors of 1027. The greatest factor of 1027 is 1027.
3. What are the Factors of 1029?
Answer: Factors of 1029 are 1, 3, 7, 21, 49, 147, 343, 1029. There are 8 integers that are factors of 1029. The greatest factor of 1029 is 1029.
4. How to Find the LCM of 1027 and 1029?
Answer:
Least Common Multiple of 1027 and 1029 = 1056783
Step 1: Find the prime factorization of 1027
1027 = 13 x 79
Step 2: Find the prime factorization of 1029
1029 = 3 x 7 x 7 x 7
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1056783 = 3 x 7 x 7 x 7 x 13 x 79
Step 4: Therefore, the least common multiple of 1027 and 1029 is 1056783.