Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7578 and 7582 the smallest integer that is 28728198 that is divisible by both numbers.
Least Common Multiple (LCM) of 7578 and 7582 is 28728198.
LCM(7578,7582) = 28728198
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 7578 and 7582. First we will calculate the prime factors of 7578 and 7582.
Prime Factorization of 7578
2 | 7578 |
3 | 3789 |
3 | 1263 |
421 | 421 |
1 |
Prime factors of 7578 are 2, 3,421. Prime factorization of 7578 in exponential form is:
7578 = 21×32×4211
Prime Factorization of 7582
2 | 7582 |
17 | 3791 |
223 | 223 |
1 |
Prime factors of 7582 are 2, 17,223. Prime factorization of 7582 in exponential form is:
7582 = 21×171×2231
Now multiplying the highest exponent prime factors to calculate the LCM of 7578 and 7582.
LCM(7578,7582) = 21×32×171×2231×4211
LCM(7578,7582) = 28728198
Factors of 7578
List of positive integer factors of 7578 that divides 7578 without a remainder.
1, 2, 3, 6, 9, 18, 421, 842, 1263, 2526, 3789, 7578
Factors of 7582
List of positive integer factors of 7582 that divides 7582 without a remainder.
1, 2, 17, 34, 223, 446, 3791, 7582
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7578 and 7582, than apply into the LCM equation.
GCF(7578,7582) = 2
LCM(7578,7582) = ( 7578 × 7582) / 2
LCM(7578,7582) = 57456396 / 2
LCM(7578,7582) = 28728198
(i) The LCM of 7582 and 7578 is associative
LCM of 7578 and 7582 = LCM of 7582 and 7578
1. What is the LCM of 7578 and 7582?
Answer: LCM of 7578 and 7582 is 28728198.
2. What are the Factors of 7578?
Answer: Factors of 7578 are 1, 2, 3, 6, 9, 18, 421, 842, 1263, 2526, 3789, 7578. There are 12 integers that are factors of 7578. The greatest factor of 7578 is 7578.
3. What are the Factors of 7582?
Answer: Factors of 7582 are 1, 2, 17, 34, 223, 446, 3791, 7582. There are 8 integers that are factors of 7582. The greatest factor of 7582 is 7582.
4. How to Find the LCM of 7578 and 7582?
Answer:
Least Common Multiple of 7578 and 7582 = 28728198
Step 1: Find the prime factorization of 7578
7578 = 2 x 3 x 3 x 421
Step 2: Find the prime factorization of 7582
7582 = 2 x 17 x 223
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 28728198 = 2 x 3 x 3 x 17 x 223 x 421
Step 4: Therefore, the least common multiple of 7578 and 7582 is 28728198.