Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7147 and 7148 the smallest integer that is 51086756 that is divisible by both numbers.
Least Common Multiple (LCM) of 7147 and 7148 is 51086756.
LCM(7147,7148) = 51086756
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 7147 and 7148. First we will calculate the prime factors of 7147 and 7148.
Prime Factorization of 7147
7 | 7147 |
1021 | 1021 |
1 |
Prime factors of 7147 are 7,1021. Prime factorization of 7147 in exponential form is:
7147 = 71×10211
Prime Factorization of 7148
2 | 7148 |
2 | 3574 |
1787 | 1787 |
1 |
Prime factors of 7148 are 2,1787. Prime factorization of 7148 in exponential form is:
7148 = 22×17871
Now multiplying the highest exponent prime factors to calculate the LCM of 7147 and 7148.
LCM(7147,7148) = 22×71×10211×17871
LCM(7147,7148) = 51086756
Factors of 7147
List of positive integer factors of 7147 that divides 7147 without a remainder.
1, 7, 1021, 7147
Factors of 7148
List of positive integer factors of 7148 that divides 7148 without a remainder.
1, 2, 4, 1787, 3574, 7148
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7147 and 7148, than apply into the LCM equation.
GCF(7147,7148) = 1
LCM(7147,7148) = ( 7147 × 7148) / 1
LCM(7147,7148) = 51086756 / 1
LCM(7147,7148) = 51086756
(i) The LCM of 7148 and 7147 is associative
LCM of 7147 and 7148 = LCM of 7148 and 7147
1. What is the LCM of 7147 and 7148?
Answer: LCM of 7147 and 7148 is 51086756.
2. What are the Factors of 7147?
Answer: Factors of 7147 are 1, 7, 1021, 7147. There are 4 integers that are factors of 7147. The greatest factor of 7147 is 7147.
3. What are the Factors of 7148?
Answer: Factors of 7148 are 1, 2, 4, 1787, 3574, 7148. There are 6 integers that are factors of 7148. The greatest factor of 7148 is 7148.
4. How to Find the LCM of 7147 and 7148?
Answer:
Least Common Multiple of 7147 and 7148 = 51086756
Step 1: Find the prime factorization of 7147
7147 = 7 x 1021
Step 2: Find the prime factorization of 7148
7148 = 2 x 2 x 1787
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 51086756 = 2 x 2 x 7 x 1021 x 1787
Step 4: Therefore, the least common multiple of 7147 and 7148 is 51086756.