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 7152 the smallest integer that is 6386736 that is divisible by both numbers.
Least Common Multiple (LCM) of 7144 and 7152 is 6386736.
LCM(7144,7152) = 6386736
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 7152. First we will calculate the prime factors of 7144 and 7152.
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 7152
2 | 7152 |
2 | 3576 |
2 | 1788 |
2 | 894 |
3 | 447 |
149 | 149 |
1 |
Prime factors of 7152 are 2, 3,149. Prime factorization of 7152 in exponential form is:
7152 = 24×31×1491
Now multiplying the highest exponent prime factors to calculate the LCM of 7144 and 7152.
LCM(7144,7152) = 24×31×191×471×1491
LCM(7144,7152) = 6386736
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 7152
List of positive integer factors of 7152 that divides 7152 without a remainder.
1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 149, 298, 447, 596, 894, 1192, 1788, 2384, 3576, 7152
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7144 and 7152, than apply into the LCM equation.
GCF(7144,7152) = 8
LCM(7144,7152) = ( 7144 × 7152) / 8
LCM(7144,7152) = 51093888 / 8
LCM(7144,7152) = 6386736
(i) The LCM of 7152 and 7144 is associative
LCM of 7144 and 7152 = LCM of 7152 and 7144
1. What is the LCM of 7144 and 7152?
Answer: LCM of 7144 and 7152 is 6386736.
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 7152?
Answer: Factors of 7152 are 1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 149, 298, 447, 596, 894, 1192, 1788, 2384, 3576, 7152. There are 20 integers that are factors of 7152. The greatest factor of 7152 is 7152.
4. How to Find the LCM of 7144 and 7152?
Answer:
Least Common Multiple of 7144 and 7152 = 6386736
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 7152
7152 = 2 x 2 x 2 x 2 x 3 x 149
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 6386736 = 2 x 2 x 2 x 2 x 3 x 19 x 47 x 149
Step 4: Therefore, the least common multiple of 7144 and 7152 is 6386736.