Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7151 and 7155 the smallest integer that is 51165405 that is divisible by both numbers.
Least Common Multiple (LCM) of 7151 and 7155 is 51165405.
LCM(7151,7155) = 51165405
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 7151 and 7155. First we will calculate the prime factors of 7151 and 7155.
Prime Factorization of 7151
7151 | 7151 |
1 |
Prime factors of 7151 are 7151. Prime factorization of 7151 in exponential form is:
7151 = 71511
Prime Factorization of 7155
3 | 7155 |
3 | 2385 |
3 | 795 |
5 | 265 |
53 | 53 |
1 |
Prime factors of 7155 are 3, 5,53. Prime factorization of 7155 in exponential form is:
7155 = 33×51×531
Now multiplying the highest exponent prime factors to calculate the LCM of 7151 and 7155.
LCM(7151,7155) = 33×51×531×71511
LCM(7151,7155) = 51165405
Factors of 7151
List of positive integer factors of 7151 that divides 7151 without a remainder.
1, 7151
Factors of 7155
List of positive integer factors of 7155 that divides 7155 without a remainder.
1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 7155
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7151 and 7155, than apply into the LCM equation.
GCF(7151,7155) = 1
LCM(7151,7155) = ( 7151 × 7155) / 1
LCM(7151,7155) = 51165405 / 1
LCM(7151,7155) = 51165405
(i) The LCM of 7155 and 7151 is associative
LCM of 7151 and 7155 = LCM of 7155 and 7151
1. What is the LCM of 7151 and 7155?
Answer: LCM of 7151 and 7155 is 51165405.
2. 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.
3. What are the Factors of 7155?
Answer: Factors of 7155 are 1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 7155. There are 16 integers that are factors of 7155. The greatest factor of 7155 is 7155.
4. How to Find the LCM of 7151 and 7155?
Answer:
Least Common Multiple of 7151 and 7155 = 51165405
Step 1: Find the prime factorization of 7151
7151 = 7151
Step 2: Find the prime factorization of 7155
7155 = 3 x 3 x 3 x 5 x 53
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 51165405 = 3 x 3 x 3 x 5 x 53 x 7151
Step 4: Therefore, the least common multiple of 7151 and 7155 is 51165405.