Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7144 and 7151 the smallest integer that is 51086744 that is divisible by both numbers.
Least Common Multiple (LCM) of 7144 and 7151 is 51086744.
LCM(7144,7151) = 51086744
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 7144 and 7151. First we will calculate the prime factors of 7144 and 7151.
Prime Factorization of 7144
2 | 7144 |
2 | 3572 |
2 | 1786 |
19 | 893 |
47 | 47 |
1 |
Prime factors of 7144 are 2, 19,47. Prime factorization of 7144 in exponential form is:
7144 = 23×191×471
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 7144 and 7151.
LCM(7144,7151) = 23×191×471×71511
LCM(7144,7151) = 51086744
Factors of 7144
List of positive integer factors of 7144 that divides 7144 without a remainder.
1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 1786, 3572, 7144
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 7144 and 7151, than apply into the LCM equation.
GCF(7144,7151) = 1
LCM(7144,7151) = ( 7144 × 7151) / 1
LCM(7144,7151) = 51086744 / 1
LCM(7144,7151) = 51086744
(i) The LCM of 7151 and 7144 is associative
LCM of 7144 and 7151 = LCM of 7151 and 7144
1. What is the LCM of 7144 and 7151?
Answer: LCM of 7144 and 7151 is 51086744.
2. What are the Factors of 7144?
Answer: Factors of 7144 are 1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 1786, 3572, 7144. There are 16 integers that are factors of 7144. The greatest factor of 7144 is 7144.
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 7144 and 7151?
Answer:
Least Common Multiple of 7144 and 7151 = 51086744
Step 1: Find the prime factorization of 7144
7144 = 2 x 2 x 2 x 19 x 47
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 = 51086744 = 2 x 2 x 2 x 19 x 47 x 7151
Step 4: Therefore, the least common multiple of 7144 and 7151 is 51086744.