Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7143 and 7151 the smallest integer that is 51079593 that is divisible by both numbers.
Least Common Multiple (LCM) of 7143 and 7151 is 51079593.
LCM(7143,7151) = 51079593
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 7143 and 7151. First we will calculate the prime factors of 7143 and 7151.
Prime Factorization of 7143
3 | 7143 |
2381 | 2381 |
1 |
Prime factors of 7143 are 3,2381. Prime factorization of 7143 in exponential form is:
7143 = 31×23811
Prime Factorization of 7151
7151 | 7151 |
1 |
Prime factors of 7151 are 7151. Prime factorization of 7151 in exponential form is:
7151 = 71511
Now multiplying the highest exponent prime factors to calculate the LCM of 7143 and 7151.
LCM(7143,7151) = 31×23811×71511
LCM(7143,7151) = 51079593
Factors of 7143
List of positive integer factors of 7143 that divides 7143 without a remainder.
1, 3, 2381, 7143
Factors of 7151
List of positive integer factors of 7151 that divides 7151 without a remainder.
1, 7151
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7143 and 7151, than apply into the LCM equation.
GCF(7143,7151) = 1
LCM(7143,7151) = ( 7143 × 7151) / 1
LCM(7143,7151) = 51079593 / 1
LCM(7143,7151) = 51079593
(i) The LCM of 7151 and 7143 is associative
LCM of 7143 and 7151 = LCM of 7151 and 7143
1. What is the LCM of 7143 and 7151?
Answer: LCM of 7143 and 7151 is 51079593.
2. What are the Factors of 7143?
Answer: Factors of 7143 are 1, 3, 2381, 7143. There are 4 integers that are factors of 7143. The greatest factor of 7143 is 7143.
3. What are the Factors of 7151?
Answer: Factors of 7151 are 1, 7151. There are 2 integers that are factors of 7151. The greatest factor of 7151 is 7151.
4. How to Find the LCM of 7143 and 7151?
Answer:
Least Common Multiple of 7143 and 7151 = 51079593
Step 1: Find the prime factorization of 7143
7143 = 3 x 2381
Step 2: Find the prime factorization of 7151
7151 = 7151
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 51079593 = 3 x 2381 x 7151
Step 4: Therefore, the least common multiple of 7143 and 7151 is 51079593.